Worldwide holidays observed in Singapore:
- New Year (January 1)
- Valentine’s Day (February 14)
- International Women’s Day (March 8)
- Labor Day (May 1)
- Mother’s Day (May 12)
- International Museum Day (May 18)
- Father’s Day (June 16)
- Youth Day (July 7)
- Children’s Day (October 11)
National holidays in Singapore:
- Total Defense Day (February 15)
- April Fool’s Day (April 1)
- Singapore Armed Forces Day (July 1)
- Racial Harmony Day (July 21)
Ethnic-related holidays and festivals in Singapore:
- Thaipusam (January 27)
- Chinese New Year (February 10-12)
- Vesak Day (May 24)
- Dragon Boat Festival (June 12)
- Hari Raya Puasa (August 8)
- National Day (August 9)
- Hari Raya Haji (October 15)
- Deepavali (November 3-4)
- Good Friday (March 29)
- Holy Saturday (March 30)
- Easter Sunday (March 31)
- Christmas Eve (December 24)
- Christmas Day (December 25)
- New Year’s Eve (December 31)
Seasonal holidays in Singapore:
- March Equinox (March 20)
- June Solstice (June 21)
- September Equinox (September 22)
- December Solstice (December 21)
Please note that this is not an exhaustive list and there may be additional holidays and festivals celebrated in Singapore based on cultural and religious diversity.