UD Libraries - UD Libraries

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Weekly Hours
Monthly Hours

Display of Opening hours
	Oct 19 Sunday	Oct 20 Monday	Oct 21 Tuesday	Oct 22 Wednesday	Oct 23 Thursday	Oct 24 Friday	Oct 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 – 6pm	10am – 6pm	10am – 6pm	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
	Oct 26 Sunday	Oct 27 Monday	Oct 28 Tuesday	Oct 29 Wednesday	Oct 30 Thursday	Oct 31 Friday	Nov 01 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 – 6pm	10am – 6pm	10am – 6pm	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
	Nov 02 Sunday	Nov 03 Monday	Nov 04 Tuesday	Nov 05 Wednesday	Nov 06 Thursday	Nov 07 Friday	Nov 08 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 – 6pm	10am – 6pm	10am – 6pm	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
	Nov 09 Sunday	Nov 10 Monday	Nov 11 Tuesday	Nov 12 Wednesday	Nov 13 Thursday	Nov 14 Friday	Nov 15 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 – 6pm	10am – 6pm	10am – 6pm	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
	Nov 16 Sunday	Nov 17 Monday	Nov 18 Tuesday	Nov 19 Wednesday	Nov 20 Thursday	Nov 21 Friday	Nov 22 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 – 6pm	10am – 6pm	10am – 6pm	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
	Nov 23 Sunday	Nov 24 Monday	Nov 25 Tuesday	Nov 26 Wednesday	Nov 27 Thursday	Nov 28 Friday	Nov 29 Saturday
Roesch Library (Building)	10am – 12am	7:45am – 12am	7:45am – 8pm	7:45am – 5pm	Closed	Closed	Closed
Information Point	10am – 12am	8am – 12am	8am – 8pm	8am – 5pm	Closed	Closed	Closed
Hello Desk	10am – 12am	8am – 12am	8am – 8pm	8am – 5pm	Closed	Closed	Closed
Research Consultation	Closed	10am – 6pm	10am – 6pm	10am – 6pm	Closed Thanksgiving Recess	Closed Thanksgiving Recess	Closed
Marian Library	Closed	9am – 4pm	9am – 4pm	9am – 4pm	Closed	Closed	Closed
US Catholic	Closed	By appointment	9am – 4pm	9am – 4pm	Closed	Closed	Closed
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	Closed	Closed	Closed

Display of Opening hours
	Nov 30 Sunday	Dec 01 Monday	Dec 02 Tuesday	Dec 03 Wednesday	Dec 04 Thursday	Dec 05 Friday	Dec 06 Saturday
Roesch Library (Building)	Closed	7:45am – 12am	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours
Information Point	Closed	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm
Hello Desk	Closed	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm
Research Consultation	Closed	10am – 6pm	10am – 6pm	10am – 6pm	10am – 5pm	Closed Feast of the Immaculate Conception	Closed
Marian Library	Closed	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed	12pm – 3pm
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
	Dec 07 Sunday	Dec 08 Monday	Dec 09 Tuesday	Dec 10 Wednesday	Dec 11 Thursday	Dec 12 Friday	Dec 13 Saturday
Roesch Library (Building)	24 Hours	24 Hours	24 Hours	24 Hours	24 Hours	12am – 5pm	12pm – 3pm
Information Point	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 5pm	Closed
Hello Desk	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 11pm	8am – 5pm	12pm – 3pm
Research Consultation	Closed	10am – 4pm	10am – 4pm	10am – 4pm	10am – 4pm	10am – 2pm	Closed
Marian Library	12pm – 3pm	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	12pm – 3pm
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
	Dec 14 Sunday	Dec 15 Monday	Dec 16 Tuesday	Dec 17 Wednesday	Dec 18 Thursday	Dec 19 Friday	Dec 20 Saturday
Roesch Library (Building)	12pm – 3pm	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	7:45am – 5pm	12pm – 3pm
Information Point	Closed	Closed	Closed	Closed	Closed	Closed	Closed
Hello Desk	12pm – 3pm	8am – 5pm	8am – 5pm	8am – 5pm	8am – 5pm	8am – 5pm	12pm – 3pm
Research Consultation	Closed	10am – 4pm	10am – 4pm	10am – 4pm	10am – 4pm	10am – 2pm	Closed
Marian Library	12pm – 3pm	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	12pm – 3pm
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
	Dec 21 Sunday	Dec 22 Monday	Dec 23 Tuesday	Dec 24 Wednesday	Dec 25 Thursday	Dec 26 Friday	Dec 27 Saturday
Roesch Library (Building)	12pm – 3pm	7:45am – 5pm	7:45am – 5pm	Closed	Closed	Closed	Closed
Information Point	Closed	Closed	Closed	Closed	Closed	Closed	Closed
Hello Desk	12pm – 3pm	8am – 5pm	8am – 5pm	Closed	Closed	Closed	Closed
Research Consultation	Closed	10am – 4pm	10am – 4pm	Closed	Closed	Closed	Closed
Marian Library	12pm – 3pm	9am – 4pm	9am – 4pm	Closed	Closed	Closed	Closed
US Catholic	Closed	By appointment	9am – 4pm	Closed	Closed	Closed	Closed
University Archives	Closed	By appointment	9am – 4pm	Closed	Closed	Closed	Closed

Display of Opening hours
	Dec 28 Sunday	Dec 29 Monday	Dec 30 Tuesday	Dec 31 Wednesday	Jan 01 Thursday	Jan 02 Friday	Jan 03 Saturday
Roesch Library (Building)	Closed	Closed	Closed	Closed	Closed	7:45am – 5pm	Closed
Information Point	Closed	Closed	Closed	Closed	Closed	Closed	Closed
Hello Desk	Closed	Closed	Closed	Closed	Closed	8am – 5pm	Closed
Research Consultation	Closed	Closed	Closed	Closed	Closed	10am – 2pm	Closed
Marian Library	Closed	Closed	Closed	Closed	Closed	–	–
US Catholic	Closed	Closed	Closed	Closed	Closed	–	–
University Archives	Closed	Closed	Closed	Closed	Closed	9am – 4pm	Closed

Display of Opening hours
	Jan 04 Sunday	Jan 05 Monday	Jan 06 Tuesday	Jan 07 Wednesday	Jan 08 Thursday	Jan 09 Friday	Jan 10 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	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

Display of Opening hours
	Jan 11 Sunday	Jan 12 Monday	Jan 13 Tuesday	Jan 14 Wednesday	Jan 15 Thursday	Jan 16 Friday	Jan 17 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	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
University Archives	Closed	By appointment	9am – 4pm	9am – 4pm	9am – 4pm	9am – 4pm	Closed

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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Marian Library	–	–	–	–	–	–	–
US Catholic	–	–	–	–	–	–	–
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
October 2025
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	21	22	23	24	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 – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm Marian Library By appointment US Catholic By appointment University Archives By appointment	28 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm 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 – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	30 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	31 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

Display of Opening hours
November 2025
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
						1 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
2 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	3 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm Marian Library By appointment US Catholic By appointment University Archives By appointment	4 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm 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 – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	6 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	7 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	8 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
9 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	10 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm Marian Library By appointment US Catholic By appointment University Archives By appointment	11 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm 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 – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	13 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	14 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	15 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
16 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	17 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm Marian Library By appointment US Catholic By appointment University Archives By appointment	18 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm 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 – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	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 – 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	22 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
23 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	24 Roesch Library (Building) 7:45am – 12am Information Point 8am – 12am Hello Desk 8am – 12am Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic By appointment University Archives By appointment	25 Roesch Library (Building) 7:45am – 8pm Information Point 8am – 8pm Hello Desk 8am – 8pm Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	26 Roesch Library (Building) 7:45am – 5pm Information Point 8am – 5pm Hello Desk 8am – 5pm Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	27 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Thanksgiving Recess Marian Library Closed US Catholic Closed University Archives Closed	28 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Thanksgiving Recess Marian Library Closed US Catholic Closed University Archives Closed	29 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
30 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed

Display of Opening hours
December 2025
Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
	1 Roesch Library (Building) 7:45am – 12am Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic By appointment University Archives By appointment	2 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	3 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 6pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	4 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	5 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation Closed Feast of the Immaculate Conception Marian Library Closed US Catholic Closed University Archives Closed	6 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed
7 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed	8 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic By appointment University Archives By appointment	9 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	10 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	11 Roesch Library (Building) 24 Hours Information Point 8am – 11pm Hello Desk 8am – 11pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	12 Roesch Library (Building) 12am – 5pm Information Point 8am – 5pm Hello Desk 8am – 5pm Research Consultation 10am – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	13 Roesch Library (Building) 12pm – 3pm Information Point Closed Hello Desk 12pm – 3pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed
14 Roesch Library (Building) 12pm – 3pm Information Point Closed Hello Desk 12pm – 3pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed	15 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic By appointment University Archives By appointment	16 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	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 – 2pm Marian Library 9am – 4pm US Catholic 9am – 4pm University Archives 9am – 4pm	20 Roesch Library (Building) 12pm – 3pm Information Point Closed Hello Desk 12pm – 3pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed
21 Roesch Library (Building) 12pm – 3pm Information Point Closed Hello Desk 12pm – 3pm Research Consultation Closed Marian Library 12pm – 3pm US Catholic Closed University Archives Closed	22 Roesch Library (Building) 7:45am – 5pm Information Point Closed Hello Desk 8am – 5pm Research Consultation 10am – 4pm Marian Library 9am – 4pm US Catholic By appointment University Archives By appointment	23 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	24 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	25 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	26 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	27 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed
28 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	29 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	30 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed	31 Roesch Library (Building) Closed Information Point Closed Hello Desk Closed Research Consultation Closed Marian Library Closed US Catholic Closed University Archives Closed

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

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

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