New Year's Day
New Year's Day (obs.)
Martin Luther King Day
Lincoln's Birthday
Lincoln's Birthday (obs.)
President's Day
Truman Day
Memorial Day
Juneteenth
Independence Day
Labor Day
Columbus Day
Veterans Day
Veterans Day (obs.)
Thanksgiving
Christmas
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1639
1640
1641 › 
# Date Public holiday
1Sunday, January 1, 1640 New Year's Day
Monday, January 2, 1640 New Year's Day (observance)
2Monday, January 16, 1640 Martin Luther King Day
3Sunday, February 12, 1640 Lincoln's Birthday
Monday, February 13, 1640 Lincoln's Birthday (observance)
4Monday, February 20, 1640 Washington's Birthday
5Tuesday, May 8, 1640 Truman Day
6Monday, May 28, 1640 Memorial Day
7Tuesday, June 19, 1640 Juneteenth National Independence Day
8Wednesday, July 4, 1640 Independence Day
9Monday, September 3, 1640 Labor Day
10Monday, October 8, 1640 Columbus Day
11Sunday, November 11, 1640 Veterans Day
Monday, November 12, 1640 Veterans Day (observance)
12Thursday, November 22, 1640 Thanksgiving
13Tuesday, December 25, 1640 Christmas