New Year's Day
Martin Luther King Day
President's Day
Prince Kalanianaole Day
Good Friday
Memorial Day
King Kamehameha I Day
Independence Day
Independence Day (obs.)
Statehood Day
Labor Day
Election Day
Veterans Day
Thanksgiving
Christmas (obs.)
Christmas
New Year's Day (obs.)
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1665
1666
1667 › 
# Date Public holiday
1Friday, 1 January 1666 New Year's Day
2Monday, 18 January 1666 Martin Luther King Day
3Monday, 15 February 1666 Washington's Birthday/Susan B. Anthony Day
4Friday, 26 March 1666 Prince Jonah Kuhio Kalanianaole Day
5Friday, 16 April 1666 Good Friday/Emancipation Day
6Monday, 31 May 1666 Memorial Day
7Friday, 11 June 1666 King Kamehameha I Day
8Sunday, 4 July 1666 Independence Day
Monday, 5 July 1666 Independence Day (observance)
9Friday, 20 August 1666 Statehood Day
10Monday, 6 September 1666 Labor Day
11Tuesday, 2 November 1666 Election Day
12Thursday, 11 November 1666 Veterans Day
13Thursday, 25 November 1666 Thanksgiving
Friday, 24 December 1666 Christmas (observance)/Christmas Eve
14Saturday, 25 December 1666 Christmas
Friday, 31 December 1666 New Year's Day (observance)