FestivalCalculated · close call
Ganga Dussehra
Jyeshtha Shukla Dashami
Tithi: 05:43 am to 05:21 am (next day)
A description of this observance hasn't been written yet.
How this date was worked out: Jyeshtha Shukla Dashami prevailing at sunrise. The tithi changes within half an hour of that moment here, so some almanacs may list the day before or after: check your local almanac.