Public holidays
1831, USA, California
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1831 | New Year's Day |
| 2 | Friday, February 4, 1831 | Rosa Parks Day |
| 3 | Tuesday, February 22, 1831 | Washington's Birthday |
| 4 | Thursday, March 31, 1831 | César Chávez Day |
| 5 | Monday, May 30, 1831 | Memorial Day |
| 6 | Monday, July 4, 1831 | Independence Day |
| 7 | Monday, September 5, 1831 | Labor Day |
| 8 | Sunday, December 25, 1831 | Christmas |
| Monday, December 26, 1831 | Christmas (observance) |