Vasanta Pañcamī

1. १Step 1, Aṅga

   Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan.

   1915-01-19T11:31:10Z → 1915-01-20T12:30:31Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 19th, 11:27–12:15 on the 20th.

   madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
3. ३Step 3, Rule

   Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
4. ४Step 4, Tie-break

   Only one midday qualifies. No tie-break is needed.

   priority: unstated → only-day · margin 26186 s
5. ५Step 5, Ruling

   Vasanta Pañcamī, Daqing, 1915: Wednesday 20 January.

   confidence: determinate

In Daqing, Vasanta Pañcamī 1915 falls on Wednesday 20 January. Pañcamī runs from 19:31 on Tue 19 Jan to 20:31 on Wed 20 Jan and covers all of madhyāhna that midday.

Institutional rulings are recorded with a source address, and are never edited to agree.

Month

Māgha, amānta

Pakṣa · aṅga

Śukla · Pañcamī

Kāla

Madhyāhna

Priority

Unstated

Tie-break

Longer coverage, as a boundary

Reference

CRC 1955, p. 105

S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami. Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.