The Main Library in Winnetka and the Northfield Branch are open the same hours, which are:
Sunday: 1 PM - 5 PM
Monday - Thursday: 9 AM - 9 PM
Friday & Saturday: 9 AM - 5 PM
The Main Library and the Northfield Branch are closed for the following holidays or other special events:
| Date Closed | Reason for Closing | Hours Closed |
|---|---|---|
| Sunday, April 8, 2012 | Easter Sunday | All Day |
| Sunday, May 27, 2012 | Memorial Day Sunday | All Day |
| Monday, May 28, 2012 | Memorial Day | All Day |
| Wednesday, July 4, 2012 | Independence Day | All Day |
| Sunday, September 2, 2012 | Labor Day Sunday | All Day |
| Monday, September 3, 2012 | Labor Day | All Day |
| Wednesday, November 21, 2012 | Thanksgiving Eve | After 5 PM |
| Thursday, November 22, 2012 | Thanksgiving Day | All Day |
| Monday, December 24, 2012 | Christmas Eve | All Day |
| Tuesday, December 25, 2012 | Christmas Day | All Day |
| Monday, December 31, 2012 | New Year's Eve | All Day |
| Tuesday, January 1, 2013 | New Year's Day | All Day |