Day Date Month Holiday Wednesday 1 Jan International New Year's Day Tuesday 7 Jan Victory over Genocide Day Monday 9 Mar Substitution for International Women's Day (Sunday 8th Mar 2020) Monday 13 Apr Khmer New Year Day Tuesday 14 Apr Khmer New Year Day Wednesday 15 Apr Khmer New Year Day Thursday 16 Apr Khmer New Year Day Friday 1 May International Labor Day Wednesday 6 May Visak Bochea Day Monday 11 May Substitution for Royal Ploughing Ceremony (Sunday 10th May 2020) Thursday 14 May Birthday of His Majesty King Norodom Sihamoni Thursday 18 Jun Birthday of Her Majesty the Queen-Mother Norodom Monineath Sihanouk Wednesday 16 Sep Pchum Ben Day Thursday 17 Sep Pchum Ben Day Friday 18 Sep Pchum Ben Day Thursday 24 Sep Constitutional Day Thursday 15 Oct Commemoration Day of Late King Norodom Sihanouk Thursday 29 Oct Coronation Day of His Majesty King Norodom Sihamoni Friday 30 Oct Water Festival Ceremony Monday 2 Nov Substitution for Water Festival Ceremony (Sunday 1st Nov 2020) Monday 9 Nov Independence Day Source: Cambodia Securities Exchange