New Year's Day
Easter Monday
Labor Day
Ascension Day
Pentecost Monday
National Day
Assumption of Mary
All Saints' Day
Armistice Day
King's Day
Christmas Day
Boxing Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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# Date Public holiday
1Monday, 1 January 1657 New Year's Day
2Monday, 2 April 1657 Easter Monday
3Tuesday, 1 May 1657 Labor Day
4Thursday, 10 May 1657 Ascension Day
5Monday, 21 May 1657 Pentecost Monday
6Saturday, 21 July 1657 National Day
7Wednesday, 15 August 1657 Assumption of Mary
8Thursday, 1 November 1657 All Saints' Day
9Sunday, 11 November 1657 Armistice Day
10Thursday, 15 November 1657 King's Day
11Tuesday, 25 December 1657 Christmas Day
12Wednesday, 26 December 1657 Boxing Day