Public holidays
1643, USA, California
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, January 1, 1643 | New Year's Day |
| 2 | Wednesday, February 4, 1643 | Rosa Parks Day |
| 3 | Sunday, February 22, 1643 | Washington's Birthday |
| 4 | Tuesday, March 31, 1643 | César Chávez Day |
| 5 | Saturday, May 30, 1643 | Memorial Day |
| Friday, July 3, 1643 | Independence Day (observance) | |
| 6 | Saturday, July 4, 1643 | Independence Day |
| 7 | Monday, September 7, 1643 | Labor Day |
| 8 | Friday, December 25, 1643 | Christmas |