2015 National Holidays: Sri Lanka

Sunday 04 Jan Milad-un-Nabi Sunday 04 Jan Duruthu Full Moon Poya

Thursday 15 Jan Tamil Thai Pongal Day

Tuesday 03 Feb Tamil Thai Pongal Day

Wednesday 04 Feb National Day

Tuesday 17 Feb Maha Shivratri

Thursday 05 Mar Madin Full Moon Poya

Friday 03 Apr Good Friday Friday 03 Apr Bak Full Moon Poya Monday 13 Apr Sinhala and Tamil New Year Eve Tuesday 14 Apr Sinhala and Tamil New Year Friday 01 May May Day Sunday 03 May Vesak Full Moon Poya Tuesday 02 Jun Poson Full Moon Poya

Saturday 18 Jul Idul Fitr

Friday 31 Jul Esala Full Moon Poya

Saturday 29 Aug Nikini Full Moon Poya

Thursday 24 Sep Idul Juha

Sunday 27 Sep Binara Full Moon Poya Tuesday 27 Oct Vap Full Moon Poya Tuesday 10 Nov Deepavali

Wednesday 25 Nov Ill Full Moon Poya

Thursday 24 Dec Unduvap Full Moon Poya

Friday 25 Dec Christmas Day

Source: http://www.officeholidays.com/countries/sri_lanka/index.php