Day Date Month Holiday Monday 1 Jan International New Year's Day Friday 8 Mar International Women's Day Monday 15 Apr Khmer New Year Day Tuesday 16 Apr Khmer New Year Day Wednesday 1 May International Labor's Day Tuesday 14 May Birthday of His Majesty King Norodom Sihamoni Wednesday 22 May Visak Bochea Day Tuesday 18 Jun Birthday of Her Majesty the Queen-Mother Norodom Monineath Sihanouk Tuesday 24 Sep Constitutional Day Tuesday 1 Oct Pchum Ben Day Wednesday 2 Oct Pchum Ben Day Thursday 3 Oct Pchum Ben Day Tuesday 15 Oct Commemoration Day of Late King Norodom Sihanouk Tuesday 29 Oct Coronation Day of His Majesty King Norodom Sihamoni Thursday 14 Nov Water Festival Ceremony Friday 15 Nov Water Festival Ceremony Source: Cambodia Securities Exchange