| Summer in Sackler Hours: Monday - Friday, 9am - 5pm, CLOSED Saturday and Sunday and July 4th. |
| Mon-Thurs | |
| Monday, September 1 | 9am - 5pm |
| Tuesday, September 2 | 8am - 10pm |
| Wednesday, September 3 | 8am - midnight |
| Thursday, September 4 | 8am - midnight |
| Friday, September 5 | 8am - 10pm |
| Saturday, September 6 | 10am - 10pm |
| Sunday, September 7 | Noon - midnight |
| Mon-Thurs | Friday | Saturday | Sunday | |
| Circulation Stacks |
8am - Midnight | 8am - 10pm | 10am - 10pm | Noon - Midnight |
| Reference | 9am - 9pm | 9am - 5pm | CLOSED | 1pm - 5pm |
| Special Collections Archives |
9:30am - 4pm | 9:30am - 4pm | CLOSED | CLOSED |
| Mon-Thurs | Friday | Saturday | Sunday | |
| Science Library | 8am - 10pm | 8am - 5pm | 9am - 5pm | Noon - 10pm |
| Map Library | 12:30pm - 4:30pm | 12:30pm - 4:30pm | CLOSED | CLOSED |
| Mon-Tues | Wed - Thurs | Friday | Sat - Sun | |
| Jeanne X. Kasperson Research Library |
9am - 5pm | 9am - 7pm | 9am - 5pm | 12pm - 4pm |
| Sunday | Monday | Tuesday - Thursday | Friday | Saturday |
| 5pm - 11pm | 6pm - 11pm | 6pm - 11pm | CLOSED | CLOSED |
| Please contact Professor Montross with any questions at cmontross@clarku.edu. | ||||