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
 ‹ 1637
1638
1639 › 
# Date Public holiday
1Friday, 1 January 1638 New Year's Day
2Monday, 18 January 1638 Martin Luther King Day
3Monday, 15 February 1638 Washington's Birthday/Susan B. Anthony Day
4Friday, 26 March 1638 Prince Jonah Kuhio Kalanianaole Day
5Friday, 2 April 1638 Good Friday
6Monday, 31 May 1638 Memorial Day
7Friday, 11 June 1638 King Kamehameha I Day
8Sunday, 4 July 1638 Independence Day
Monday, 5 July 1638 Independence Day (observance)
9Friday, 20 August 1638 Statehood Day
10Monday, 6 September 1638 Labor Day
11Tuesday, 2 November 1638 Election Day
12Thursday, 11 November 1638 Veterans Day
13Thursday, 25 November 1638 Thanksgiving
Friday, 24 December 1638 Christmas (observance)/Christmas Eve
14Saturday, 25 December 1638 Christmas
Friday, 31 December 1638 New Year's Day (observance)