Eid ul Fitr

Eid -ul- Fitr is celebrated by the sizable Muslim population depending on the sighting of the moon after the month of Ramadan. It is a national holiday. 

More Festivals in Colombo
Deepavali/Diwali
Christmas
Eid-ul-Fitr
Esala Perahera
Milad-un-Nabi
National Day (Independence)