New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Independence Day
Independence Day (obs.)
Labor Day
Veterans Day
Thanksgiving
Christmas (obs.)
Christmas
New Year's Day (obs.)
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 ‹ 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
4Monday, 31 May 1638 Memorial Day
5Sunday, 4 July 1638 Independence Day
Monday, 5 July 1638 Independence Day (observance)
6Monday, 6 September 1638 Labor Day
7Thursday, 11 November 1638 Veterans Day
8Thursday, 25 November 1638 Thanksgiving
Friday, 24 December 1638 Christmas (observance)/Christmas Eve
9Saturday, 25 December 1638 Christmas
Friday, 31 December 1638 New Year's Day (observance)