Holī

1. १Step 1, Aṅga

   Pūrṇimā runs from 18:34 on Fri 3 Mar to 16:04 on Sat 4 Mar.

   1950-03-03T13:03:52Z → 1950-03-04T10:33:48Z
2. २Step 2, Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:10–18:31 on the 3rd, 16:10–18:31 on the 4th.

   sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
3. ३Step 3, Rule

   Pūrṇimā must be present during sāyāhna. It covers 0 of 141 minutes on the 3rd and 0 of 141 on the 4th.

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

   Neither late afternoon qualifies. The day the tithi falls on is taken.

   priority: unstated → tithi-day · margin 200 s < 300 s
5. ५Step 5, Counted

   Holī is kept the day after Holikā Dahana: Friday 3 March is the day taken above.

   follows: holika-dahana + 1 d
6. ६Step 6, Ruling

   Holī, Ujjain, 1950: Saturday 4 March.

   confidence: boundary (margin, absent-unstated)

In Ujjain, Holī 1950 falls on Saturday 4 March. It is kept the day after Holikā Dahana, which falls on Friday 3 March. Pūrṇimā runs from 18:34 on Fri 3 Mar to 16:04 on Sat 4 Mar, and reaches sāyāhna on neither day. It is 3 min 20 s from a threshold: treat the date as contested.

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

Month

Phālguna, amānta

Pakṣa · aṅga

Śukla · Pūrṇimā

Kāla

Sāyāhna

Priority

Unstated

Tie-break

Longer coverage, as a boundary

Kept

The day after Holikā Dahana

S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana. Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.