FestivalCalculated · close call
Sita Navami
Vaishakha Shukla Navami
Madhyahna (midday): 10:59 am to 01:38 pm
A description of this observance hasn't been written yet.
How this date was worked out: Vaishakha Shukla Navami prevailing at midday (madhyahna). 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.