Public holidays
1678, USA, Hawaii
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1678 | New Year's Day |
| 2 | Tuesday, February 22, 1678 | Washington's Birthday/Mardi gras day |
| Friday, March 25, 1678 | Prince Jonah Kuhio Kalanianaole Day (observance) | |
| 3 | Saturday, March 26, 1678 | Prince Jonah Kuhio Kalanianaole Day |
| 4 | Friday, April 8, 1678 | Good Friday |
| 5 | Monday, May 30, 1678 | Memorial Day |
| Friday, June 10, 1678 | King Kamehameha I Day (observance) | |
| 6 | Saturday, June 11, 1678 | King Kamehameha I Day |
| 7 | Monday, July 4, 1678 | Independence Day |
| 8 | Friday, August 19, 1678 | Statehood Day |
| 9 | Monday, September 5, 1678 | Labor Day |
| 10 | Tuesday, November 8, 1678 | Election Day |
| 11 | Sunday, December 25, 1678 | Christmas |
| Monday, December 26, 1678 | Christmas (observance) |