New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Juneteenth (obs.)
Juneteenth
Independence Day
Independence Day (obs.)
Labor Day
Columbus Day
Veterans Day
Thanksgiving
Black Friday
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
4Monday, 31 May 1666 Memorial Day
Friday, 18 June 1666 Juneteenth (observance)
5Saturday, 19 June 1666 Juneteenth National Independence Day
6Sunday, 4 July 1666 Independence Day
Monday, 5 July 1666 Independence Day (observance)
7Monday, 6 September 1666 Labor Day
8Monday, 11 October 1666 Columbus Day
9Thursday, 11 November 1666 Veterans Day
10Thursday, 25 November 1666 Thanksgiving
11Friday, 26 November 1666 Black Friday
Friday, 24 December 1666 Christmas (observance)/Christmas Eve
12Saturday, 25 December 1666 Christmas
Friday, 31 December 1666 New Year's Day (observance)