Observed on the Sravana day within the solar month of Leo.
Onam (Thiruvonam) is one of the festivals observed in the Hindu calendar. A detailed account of its mythology, significance, and rituals is being prepared.
Computed for Siem Reap (Asia/Phnom_Penh) using local sunrise, sunset and astronomical positions.
Other observances and vrats falling in August 2026, with dates computed for Siem Reap.
See every observance, vrat and ekadashi computed precisely for Siem Reap — or pick a different city.
A more detailed account of Onam (Thiruvonam) in Siem Reap — its mythology, regional variations, and rituals — is being prepared.