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Weekly Hours
Monthly Hours

Display of Opening hours
	Jan 18 Sunday	Jan 19 Monday	Jan 20 Tuesday	Jan 21 Wednesday	Jan 22 Thursday	Jan 23 Friday	Jan 24 Saturday
Roesch Library (Building)	10am – 12am	Closed MLK Day	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	Closed Martin Luther King Jr. Day	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Jan 25 Sunday	Jan 26 Monday	Jan 27 Tuesday	Jan 28 Wednesday	Jan 29 Thursday	Jan 30 Friday	Jan 31 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Feb 01 Sunday	Feb 02 Monday	Feb 03 Tuesday	Feb 04 Wednesday	Feb 05 Thursday	Feb 06 Friday	Feb 07 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Feb 08 Sunday	Feb 09 Monday	Feb 10 Tuesday	Feb 11 Wednesday	Feb 12 Thursday	Feb 13 Friday	Feb 14 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Feb 15 Sunday	Feb 16 Monday	Feb 17 Tuesday	Feb 18 Wednesday	Feb 19 Thursday	Feb 20 Friday	Feb 21 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Feb 22 Sunday	Feb 23 Monday	Feb 24 Tuesday	Feb 25 Wednesday	Feb 26 Thursday	Feb 27 Friday	Feb 28 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Mar 01 Sunday	Mar 02 Monday	Mar 03 Tuesday	Mar 04 Wednesday	Mar 05 Thursday	Mar 06 Friday	Mar 07 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Mar 08 Sunday	Mar 09 Monday	Mar 10 Tuesday	Mar 11 Wednesday	Mar 12 Thursday	Mar 13 Friday	Mar 14 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 6pm	Closed
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 6pm	Closed
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 6pm	Closed
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Mar 15 Sunday	Mar 16 Monday	Mar 17 Tuesday	Mar 18 Wednesday	Mar 19 Thursday	Mar 20 Friday	Mar 21 Saturday
Roesch Library (Building)	Closed	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	Closed
Information Point	Closed	Closed	Closed	Closed	Closed	Closed	Closed
Hello Desk	Closed	8am – 5pm	8am – 5pm	8am – 5pm	8am – 5pm	8am – 5pm	Closed
Research Consultation	Closed	10am – 4pm	10am – 4pm	10am – 4pm	10am – 4pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Mar 22 Sunday	Mar 23 Monday	Mar 24 Tuesday	Mar 25 Wednesday	Mar 26 Thursday	Mar 27 Friday	Mar 28 Saturday
Roesch Library (Building)	Closed	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Mar 29 Sunday	Mar 30 Monday	Mar 31 Tuesday	Apr 01 Wednesday	Apr 02 Thursday	Apr 03 Friday	Apr 04 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	7:45am – 5pm	Closed Good Friday	Closed
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 8pm	8am – 5pm	Closed	Closed
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 8pm	8am – 5pm	Closed	Closed
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 4pm	10am – 4pm	Closed Good Friday	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	Closed	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	Closed	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	Closed	Closed

Display of Opening hours
	Apr 05 Sunday	Apr 06 Monday	Apr 07 Tuesday	Apr 08 Wednesday	Apr 09 Thursday	Apr 10 Friday	Apr 11 Saturday
Roesch Library (Building)	Closed	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	Closed	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 4pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Apr 12 Sunday	Apr 13 Monday	Apr 14 Tuesday	Apr 15 Wednesday	Apr 16 Thursday	Apr 17 Friday	Apr 18 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Apr 19 Sunday	Apr 20 Monday	Apr 21 Tuesday	Apr 22 Wednesday	Apr 23 Thursday	Apr 24 Friday	Apr 25 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 12am	7:45am – 8pm	10am – 8pm
Information Point	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Hello Desk	10am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 12am	8am – 8pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Apr 26 Sunday	Apr 27 Monday	Apr 28 Tuesday	Apr 29 Wednesday	Apr 30 Thursday	May 01 Friday	May 02 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours
Information Point	10am – 12am	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	10am – 8pm
Hello Desk	10am – 12am	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	10am – 8pm
Research Consultation	Closed	10am – 5pm	10am – 5pm	10am – 5pm	10am – 5pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	May 03 Sunday	May 04 Monday	May 05 Tuesday	May 06 Wednesday	May 07 Thursday	May 08 Friday	May 09 Saturday
Roesch Library (Building)	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours	12am – 5pm	–
Information Point	10am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 5pm	–
Hello Desk	10am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 5pm	–
Research Consultation	Closed	10am – 4pm	10am – 4pm	10am – 4pm	10am – 4pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	May 10 Sunday	May 11 Monday	May 12 Tuesday	May 13 Wednesday	May 14 Thursday	May 15 Friday	May 16 Saturday
Roesch Library (Building)	–	–	–	–	–	–	–
Information Point	–	–	–	–	–	–	–
Hello Desk	–	–	–	–	–	–	–
Research Consultation	Closed	10am – 4pm	10am – 4pm	10am – 4pm	10am – 4pm	10am – 2pm	Closed
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	May 17 Sunday	May 18 Monday	May 19 Tuesday	May 20 Wednesday	May 21 Thursday	May 22 Friday	May 23 Saturday
Roesch Library (Building)	–	–	–	–	–	–	–
Information Point	–	–	–	–	–	–	–
Hello Desk	–	–	–	–	–	–	–
Research Consultation	Closed	–	–	–	–	–	–
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	May 24 Sunday	May 25 Monday	May 26 Tuesday	May 27 Wednesday	May 28 Thursday	May 29 Friday	May 30 Saturday
Roesch Library (Building)	–	–	–	–	–	–	–
Information Point	–	–	–	–	–	–	–
Hello Desk	–	–	–	–	–	–	–
Research Consultation	–	–	–	–	–	–	–
Marian Library	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	May 31 Sunday	Jun 01 Monday	Jun 02 Tuesday	Jun 03 Wednesday	Jun 04 Thursday	Jun 05 Friday	Jun 06 Saturday
Roesch Library (Building)	–	–	–	–	–	–	–
Information Point	–	–	–	–	–	–	–
Hello Desk	–	–	–	–	–	–	–
Research Consultation	–	–	–	–	–	–	–
Marian Library	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Use your UD ID to enter the building after 8 p.m. Sunday through Thursday and after 6 p.m. Friday and Saturday.

Display of Opening hours
January 2026
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
				1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	21 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	22 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	23 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	24 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
25 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	26 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	27 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	28 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	29 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	30 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	31 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed

Display of Opening hours
February 2026
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
1 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	2 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	3 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	4 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	5 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	6 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	7 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
8 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	9 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	10 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	11 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	12 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	13 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	14 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
15 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	16 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	17 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	18 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	19 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	20 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	21 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
22 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	23 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	24 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	25 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	26 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	27 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	28 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed

Display of Opening hours
March 2026
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
1 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	2 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	3 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	4 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	5 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	6 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	7 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
8 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	9 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	10 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	11 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	12 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	13 Roesch Library (Building) 7:45am – 6pm Information Point 8am – 6pm Hello Desk 8am – 6pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	14 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
15 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	16 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library By appointment US Catholic By appointment University Archives By appointment	17 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	18 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	19 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	20 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	21 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
22 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	23 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	24 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	25 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	26 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	27 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	28 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
29 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	30 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	31 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm

Display of Opening hours
April 2026
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
			1 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	2 Roesch Library (Building) 7:45am – 5pm Information Point 8am – 5pm Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	3 Roesch Library (Building) Closed Good Friday Information Point Closed Hello Desk Closed Research Consultation Closed Good Friday Marian Library Closed US Catholic Closed University Archives Closed	4 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
5 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	6 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 4pm Marian Library By appointment US Catholic By appointment University Archives By appointment	7 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	8 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	9 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	10 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	11 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
12 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	13 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	14 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	15 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	16 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	17 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	18 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
19 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	20 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	21 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	22 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	23 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	24 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	25 Roesch Library (Building) 10am – 8pm Information Point 10am – 8pm Hello Desk 10am – 8pm Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
26 Roesch Library (Building) 10am – 12am Information Point 10am – 12am Hello Desk 10am – 12am Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	27 Roesch Library (Building) 7:45am – 12am Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 5pm Marian Library By appointment US Catholic By appointment University Archives By appointment	28 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	29 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	30 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 5pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm

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Dayton, Ohio 45469
937-229-4221
library@udayton.edu

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