Public holidays
1957, USA, California
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, January 1, 1957 | New Year's Day |
| 2 | Monday, February 4, 1957 | Rosa Parks Day |
| 3 | Friday, February 22, 1957 | Washington's Birthday |
| 4 | Sunday, March 31, 1957 | César Chávez Day |
| Monday, April 1, 1957 | César Chávez Day (observance) | |
| 5 | Thursday, May 30, 1957 | Memorial Day |
| 6 | Thursday, July 4, 1957 | Independence Day |
| 7 | Monday, September 2, 1957 | Labor Day |
| 8 | Monday, November 11, 1957 | Veterans Day |
| 9 | Thursday, November 28, 1957 | Thanksgiving |
| 10 | Wednesday, December 25, 1957 | Christmas |