Public holidays
1821, USA, Hawaii
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1821 | New Year's Day |
| 2 | Thursday, 22 February 1821 | Washington's Birthday |
| 3 | Monday, 26 March 1821 | Seward's Day/Prince Jonah Kuhio Kalanianaole Day |
| 4 | Friday, 20 April 1821 | Good Friday |
| 5 | Wednesday, 30 May 1821 | Memorial Day |
| 6 | Monday, 11 June 1821 | King Kamehameha I Day |
| 7 | Wednesday, 4 July 1821 | Independence Day |
| 8 | Friday, 17 August 1821 | Statehood Day |
| 9 | Monday, 3 September 1821 | Labor Day |
| 10 | Tuesday, 25 December 1821 | Christmas |