Below are listed Public Holidays for the January 2008-December 2009 period. 

2008
1 Jan New Year's Day.
7 Jan Victory Day.
21 Feb Meak Bochea Day.
8 Mar Women's Day.
14-16 Apr Cambodian New Year.
1 May Labour Day. 
13-15 May King Sihamoni's Birthday.
19 May Visaka Buja Day (Birth of Buddha).
23 May Royal Ploughing Day Ceremony.
1 Jun International Children's Day.
18 Jun Former Queen's Birthday.
24 Sep Constitution and Coronation Day.
29 Sep-1 Oct Pchum Ben Day.
23 Oct Paris Peace Agreement.
31 Oct Former King Sihanouk's Birthday.
11-13 Nov Water Festival.
9 Nov Independence Day.
10 Dec Human Rights Day.

2009
1 Jan New Year's Day.
7 Jan Victory Day.
Feb* Meak Bochea Day.
8 Mar Women's Day.
Apr* Cambodian New Year.
1 May Labour Day.
May* Visaka Buja Day (Birth of Buddha).
May* Royal Ploughing Day Ceremony.
13-15 May King Sihamoni's Birthday.
1 Jun International Children's Day.
18 Jun Former Queen's Birthday.
24 Sep Constitution and Coronation Day.
Sep/Oct* Pchum Ben Day.
23 Oct Paris Peace Agreement.
31 Oct Former King Sihanouk's Birthday.
Nov* Water Festival.
9 Nov Independence Day.
10 Dec Human Rights Day.

*Date to be confirmed.

The religious festivals are determined by the Buddhist lunar calendar and are therefore variable. Public holidays falling on a Saturday or Sunday are carried forward to the following working day.