Public holidays
1640, USA, Texas
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1640 | New Year's Day |
| Monday, 2 January 1640 | New Year's Day (observance) | |
| 2 | Thursday, 19 January 1640 | Confederate Heroes Day |
| 3 | Wednesday, 22 February 1640 | Washington's Birthday |
| Friday, 30 March 1640 | César Chávez Day (observance) | |
| 4 | Saturday, 31 March 1640 | César Chávez Day |
| 5 | Friday, 6 April 1640 | Good Friday |
| 6 | Wednesday, 30 May 1640 | Memorial Day |
| 7 | Wednesday, 4 July 1640 | Independence Day |
| 8 | Monday, 27 August 1640 | Lyndon Baines Johnson Day |
| 9 | Monday, 3 September 1640 | Labor Day |
| 10 | Monday, 24 December 1640 | Christmas Eve |
| 11 | Tuesday, 25 December 1640 | Christmas |
| 12 | Wednesday, 26 December 1640 | December 26 |