Public holidays
1645, USA, Hawaii
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, January 1, 1645 | New Year's Day |
| Monday, January 2, 1645 | New Year's Day (observance) | |
| 2 | Wednesday, February 22, 1645 | Washington's Birthday |
| 3 | Sunday, March 26, 1645 | Prince Jonah Kuhio Kalanianaole Day |
| Monday, March 27, 1645 | Seward's Day/Prince Jonah Kuhio Kalanianaole Day (observance) | |
| 4 | Friday, April 14, 1645 | Good Friday |
| 5 | Tuesday, May 30, 1645 | Memorial Day |
| 6 | Sunday, June 11, 1645 | King Kamehameha I Day |
| Monday, June 12, 1645 | King Kamehameha I Day (observance) | |
| 7 | Tuesday, July 4, 1645 | Independence Day |
| 8 | Friday, August 18, 1645 | Statehood Day |
| 9 | Monday, September 4, 1645 | Labor Day |
| 10 | Monday, December 25, 1645 | Christmas |