Visitors need a University of Dayton ID to enter the Roesch Library building after 8 p.m. Sunday through Thursday and after 6 p.m. Friday and Saturday.

Display of Opening hours
Mar 17
Sunday
Mar 18
Monday
Mar 19
Tuesday
Mar 20
Wednesday
Mar 21
Thursday
Mar 22
Friday
Mar 23
Saturday
Roesch Library (Building)10am – 12am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 5am8am – 6pm Easter RecessClosed
Information Point10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 4pm Easter RecessClosed
Hello Desk10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 6pmClosed
Research ConsultationClosed10am – 6pm10am – 6pm10am – 6pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pmClosed
Display of Opening hours
Mar 24
Sunday
Mar 25
Monday
Mar 26
Tuesday
Mar 27
Wednesday
Mar 28
Thursday
Mar 29
Friday
Mar 30
Saturday
Roesch Library (Building)12pm – 6pm8am – 5pm8am – 5pm8am – 5pm8am – 5pmClosed Good FridayClosed
Information PointClosedClosedClosedClosedClosedClosedClosed
Hello DeskClosed8am – 5pm8am – 5pm8am – 5pm8am – 5pmClosed Good FridayClosed
Research ConsultationClosed10am – 5pm10am – 5pm10am – 5pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosedClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy AppointmentClosedClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy AppointmentClosedClosed
Display of Opening hours
Mar 31
Sunday
Apr 01
Monday
Apr 02
Tuesday
Apr 03
Wednesday
Apr 04
Thursday
Apr 05
Friday
Apr 06
Saturday
Roesch Library (Building)Closed7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 10pm10am – 10pm
Information PointClosed8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Hello DeskClosed8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Research ConsultationClosed10am – 4pm10am – 6pm10am – 6pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pmClosed
Display of Opening hours
Apr 07
Sunday
Apr 08
Monday
Apr 09
Tuesday
Apr 10
Wednesday
Apr 11
Thursday
Apr 12
Friday
Apr 13
Saturday
Roesch Library (Building)10am – 12am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 10pm10am – 10pm
Information Point10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Hello Desk10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Research ConsultationClosed10am – 6pm10am – 6pm10am – 6pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pmClosed
Display of Opening hours
Apr 14
Sunday
Apr 15
Monday
Apr 16
Tuesday
Apr 17
Wednesday
Apr 18
Thursday
Apr 19
Friday
Apr 20
Saturday
Roesch Library (Building)10am – 12am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 5am7:45am – 10pm10am – 10pm
Information Point10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Hello Desk10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Research ConsultationClosed10am – 6pm10am – 6pm10am – 6pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pmClosed
Display of Opening hours
Apr 21
Sunday
Apr 22
Monday
Apr 23
Tuesday
Apr 24
Wednesday
Apr 25
Thursday
Apr 26
Friday
Apr 27
Saturday
Roesch Library (Building)10am Open at 10, 24 hrs begins24 Hours24 Hours24 Hours24 Hours24 Hours24 Hours
Information Point10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Hello Desk10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 10pm10am – 10pm
Research ConsultationClosed10am – 6pm10am – 6pm10am – 6pm10am – 5pm10am – 2pmClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pmClosed
Display of Opening hours
Apr 28
Sunday
Apr 29
Monday
Apr 30
Tuesday
May 01
Wednesday
May 02
Thursday
May 03
Friday
May 04
Saturday
Roesch Library (Building)24 Hours24 Hours24 Hours24 Hours24 Hours12am – 5pmClosed
Information Point10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 5pmClosed
Hello Desk10am – 12am8am – 9pm8am – 9pm8am – 9pm8am – 9pm8am – 5pmClosed
Research ConsultationClosed
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University ArchivesClosed8:30am – 4pm8:30am – 4pm8:30am – 4pmBy Appointment8:30am – 4pm
Display of Opening hours
May 05
Sunday
May 06
Monday
May 07
Tuesday
May 08
Wednesday
May 09
Thursday
May 10
Friday
May 11
Saturday
Roesch Library (Building)Closed8am – 5pm8am – 5pm8am – 5pm8am – 5pm8am – 5pmClosed
Information PointClosedClosedClosedClosedClosedClosedClosed
Hello DeskClosed8am – 5pm8am – 5pm8am – 5pm8am – 5pm8am – 5pmClosed
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
May 12
Sunday
May 13
Monday
May 14
Tuesday
May 15
Wednesday
May 16
Thursday
May 17
Friday
May 18
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
May 19
Sunday
May 20
Monday
May 21
Tuesday
May 22
Wednesday
May 23
Thursday
May 24
Friday
May 25
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
May 26
Sunday
May 27
Monday
May 28
Tuesday
May 29
Wednesday
May 30
Thursday
May 31
Friday
Jun 01
Saturday
Roesch Library (Building)ClosedClosed Memorial Day8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosedClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosedClosed8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US CatholicClosedClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosedClosed8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
Jun 02
Sunday
Jun 03
Monday
Jun 04
Tuesday
Jun 05
Wednesday
Jun 06
Thursday
Jun 07
Friday
Jun 08
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm9am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm9am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm9am – 5pm
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
Jun 09
Sunday
Jun 10
Monday
Jun 11
Tuesday
Jun 12
Wednesday
Jun 13
Thursday
Jun 14
Friday
Jun 15
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy AppointmentBy AppointmentBy AppointmentClosed
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
Jun 16
Sunday
Jun 17
Monday
Jun 18
Tuesday
Jun 19
Wednesday
Jun 20
Thursday
Jun 21
Friday
Jun 22
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pmClosed Juneteenth8am – 6pm8am – 5pm9am – 5pm
Information PointClosed10am – 4pm10am – 4pmClosed10am – 4pm10am – 4pm9am – 5pm
Hello DeskClosed8am – 6pm8am – 6pmClosed8am – 6pm8am – 5pm9am – 5pm
Research Consultation
US CatholicClosedBy AppointmentBy AppointmentBy Appointment
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pmClosedBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
Jun 23
Sunday
Jun 24
Monday
Jun 25
Tuesday
Jun 26
Wednesday
Jun 27
Thursday
Jun 28
Friday
Jun 29
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US Catholic
Marian LibraryClosed8:30am – 4:30pm8:30am – 4:30pm8:30am – 4:30pmBy Appointment8:30am – 4:30pmClosed
University Archives
Display of Opening hours
Jun 30
Sunday
Jul 01
Monday
Jul 02
Tuesday
Jul 03
Wednesday
Jul 04
Thursday
Jul 05
Friday
Jul 06
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pmClosed Independence Day8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pmClosed10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pmClosed8am – 5pm11am – 5pm
Research Consultation
US Catholic
Marian LibraryClosed
University Archives
Display of Opening hours
Jul 07
Sunday
Jul 08
Monday
Jul 09
Tuesday
Jul 10
Wednesday
Jul 11
Thursday
Jul 12
Friday
Jul 13
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm9am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm9am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm9am – 5pm
Research Consultation
US Catholic
Marian Library
University Archives
Display of Opening hours
Jul 14
Sunday
Jul 15
Monday
Jul 16
Tuesday
Jul 17
Wednesday
Jul 18
Thursday
Jul 19
Friday
Jul 20
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US Catholic
Marian Library
University Archives
Display of Opening hours
Jul 21
Sunday
Jul 22
Monday
Jul 23
Tuesday
Jul 24
Wednesday
Jul 25
Thursday
Jul 26
Friday
Jul 27
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm11am – 5pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm11am – 5pm
Research Consultation
US Catholic
Marian Library
University Archives
Display of Opening hours
Jul 28
Sunday
Jul 29
Monday
Jul 30
Tuesday
Jul 31
Wednesday
Aug 01
Thursday
Aug 02
Friday
Aug 03
Saturday
Roesch Library (Building)Closed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm
Information PointClosed10am – 4pm10am – 4pm10am – 4pm10am – 4pm10am – 4pm
Hello DeskClosed8am – 6pm8am – 6pm8am – 6pm8am – 6pm8am – 5pm
Research Consultation
US Catholic
Marian Library
University Archives

University Libraries Special Collections Hours

University Archives, Special Collections and Rare Books and the Marian Library are closed to walk-in visitors on Thursdays. Appointments with faculty and staff in these units may be scheduled at their discretion and must be made at least 48 hours in advance.