January
01st Monday - Duruthu Full Moon Poya Day
[ 14th Sunday -Tamil Thai Pongal Day ]
15th Monday - Statutory Holiday in lieu of Thai Pongal Day
31st Wednesday - Adhi Duruthu Full Moon Poya Day

February
[ 04th Sunday - National Day ]

March
01st Thusday - Medin Full Moon Poya Day
31st Saturday - Adhi Medin Full Moon Poya Day

April
12th Thursday - Half day in lieu of National New Year holiday falling on Saturday
13th Friday - Day Prior to Sinhala & Tamil New Year Day
14th Saturday - Sinhala & Tamil New Year day
16th Monday - Statutory Holiday in lieu of Independence Day on February 4th on a Sunday
[ 29th Sunday - Vesak Full Moon Poya Day ]
30th Monday - Day following Vesak Full Moon Poya Day

May
1st Tuesday - May Day
7th Monday - May Day celebrations in lieu of May Day on 1st
29th Tuesday - Adhi Poson Full Moon Poya Day

June
27th Wednesday - Poson Full Moon Poya Day

July
27th Friday - Esala Full Moon Poya Day

August
[ 26th Sunday - Nikini Full Moon Poya Day ]

September
24th Monday - Binara Full Moon Poya Day

October
24th Wednesday- Vap Full Moon Poya Day

November
20th Tuesday - Holy Prophet's Birthday (Milad-Un-Nabi)
22nd Thursday- Ill Full Moon Poya Day

December
22nd Saturday - Unduvap Full Moon Poya Day
24th Monday - Half Day special office holiday for Christmas Eve
25th Tuesday - Christmas Day