Public holidays
1840, USA, Hawaii
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1840 | New Year's Day |
| 2 | Saturday, 22 February 1840 | Washington's Birthday |
| 3 | Thursday, 26 March 1840 | Prince Jonah Kuhio Kalanianaole Day |
| 4 | Friday, 17 April 1840 | Good Friday |
| 5 | Saturday, 30 May 1840 | Memorial Day |
| 6 | Thursday, 11 June 1840 | King Kamehameha I Day |
| Friday, 3 July 1840 | Independence Day (observance) | |
| 7 | Saturday, 4 July 1840 | Independence Day |
| 8 | Friday, 21 August 1840 | Statehood Day |
| 9 | Monday, 7 September 1840 | Labor Day |
| 10 | Tuesday, 3 November 1840 | Election Day |
| 11 | Friday, 25 December 1840 | Christmas |