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Library Hours

weekly hours

Regular Semester Hours

Monday-Thursday: 7:30 a.m. to Midnight
Friday: 7:30 a.m. to 9 p.m.
Saturday: 10 a.m. to 6 p.m.
Sunday: 1 p.m. to Midnight

Reference Hours

Monday-Friday: 8:00 a.m. to 4:30 p.m.

Cafe Hours

Sunday: 6 p.m. to 9 p.m.
Monday-Thursday: 3 p.m. to 10 p.m.

special hours

Labor Day Weekend

Friday, September 2: 7:30 a.m. to 4:30 p.m.
Saturday, September 3 - Sunday, September 4: CLOSED
Monday, September 5: 4 p.m. to Midnight
Tuesday, September 6: Resume regular hours

Fall Break

Friday, October 7: 7:30 a.m. to 4:30 p.m.
Saturday, October 8 - Sunday, October 9: CLOSED
Monday, October 10: 8 a.m. to 4:30 p.m.
Tuesday, October 11: Resume regular hours

Thanksgiving Break

Friday, November 18: 7:30 a.m. to 4:30 p.m.
Saturday, November 19 - Sunday, November 20: CLOSED
Monday, November 21 - Wednesday, November 23: 8 a.m. to 4:30 p.m.
Thursday, November 24 - Saturday, November 26: CLOSED
Sunday, November 27: 4 p.m. to Midnight
Monday, November 28: Resume regular hours

End of the semester

Monday, December 5 - Thursday, December 8: 7:30 a.m. to 2 a.m.
Friday, December 9: 7:30 a.m. to 10 p.m.
Saturday, December 10: 10 a.m. to 10 p.m.
Sunday, December 11: 10 a.m. to 2 a.m.
Monday, December 12 - Thursday, December 15: 7:30 a.m. to 2 a.m.
Friday, December 16: 7:30 a.m. to 4:30 p.m.
Saturday, December 17 - Sunday, December 18: CLOSED

Winter Break

Monday, December 19 - Thursday, Decmeber 22: 8 a.m. to 4:30 p.m.
Friday, Decmeber 23 - Monday, January 2: CLOSED
Tuesday, January 3 - Friday, January 6: 8 a.m. to 4:30 p.m.
Saturday, January 7 - Sunday, January 8: CLOSED
Monday, January 9 - Friday, January 13: 8 a.m. to 4:30 p.m.
Saturday, January 14 - Sunday, January 15: CLOSED
Monday, January 16: 4 p.m. to Midnight
Tuesday, January 17: Resume regular hours

Spring Break

Friday, March 3: 7:30 a.m. to 4:30 p.m.
Saturday, March 4 - Sunday, March 5: CLOSED
Monday, March 6 - Friday, March 10: 8 a.m. to 4:30 p.m.
Saturday, March 11: CLOSED
Sunday, March 12: 4 p.m. to Midnight
Monday, March 13: Resume regular hours

Easter Break

Thursday, April 13: 7:30 a.m. to 4:30 p.m.
Friday, April 14 - Sunday, April 16: CLOSED
Monday, April 17: Resume regular hours

End of the semester

Monday, May 1 - Thursday, May 4: 7:30 a.m. to 2 a.m.
Friday, May 5: 7:30 a.m. to 10 p.m.
Saturday, May 6: 10 a.m. to 10 p.m.
Sunday, May 7: 10 a.m. to 2 a.m.
Monday, May 8 - Thursday, May 11: 7:30 a.m. to 2 a.m.
Friday, May 12: 7:30 a.m. to 4:30 p.m.
Saturday, May 13 - Sunday, May 14: CLOSED

Summer Hours (starting May 15, 2016)

Monday - Friday: 8 a.m. to 4:30 p.m.
Saturday - Sunday: CLOSED

Heterick Memorial Library

419-772-2181
reference@onu.edu
Heterick Memorial Library
525 South Main Street
Ada, Ohio 45810
Monday: 7:30 a.m.-Midnight
Tuesday: 7:30 a.m.-Midnight
Wednesday: 7:30 a.m.-Midnight
Thursday: 7:30 a.m.-Midnight
Friday: 7:30 a.m.-9 p.m.
Saturday: 10 a.m.-6 p.m.
Sunday: 1 p.m.-Midnight