Below are listed Public Holidays for the January 2009-December 2010 period.

2009
1 Jan New Year's Day. 
10 Apr Good Friday.
13 Apr Easter Monday.
1 May Labour Day.
4 May Declaration of Independence Day.
23 Jun Ligo (Midsummer's Eve).
24 Jun Jani (Midsummer's Day/St John's Day).
18 Nov Latvian National Day.
25 Dec Christmas Day.
26 Dec Boxing Day.
31 Dec New Year's Eve.

2010
1 Jan New Year's Day. 
2 Apr Good Friday. 
5 Apr Easter Monday.
1 May Labour Day.
4 May Declaration of Independence Day.
23 Jun Ligo (Midsummer's Eve).
24 Jun Jani (Midsummer's Day/St John's Day).
18 Nov Latvian National Day.
25 Dec Christmas Day.
26 Dec Boxing Day.
31 Dec New Year's Eve.