Rāsayātrā

1. १Step 1, Aṅga

   Pūrṇimā runs from 00:14 on Mon 2 Nov to 02:45 on Tue 3 Nov.

   1914-11-01T21:16:53Z → 1914-11-02T23:48:17Z
2. २Step 2, Kāla

   Niśītha is 1 ghaṭikā either side of midnight: 23:21–00:09 on the 1st, 23:21–00:09 on the 2nd.

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

   Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
4. ४Step 4, Tie-break

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

   priority: paraviddha → only-day · margin 297 s < 300 s
5. ५Step 5, Ruling

   Rāsayātrā, Erbil, 1914: Monday 2 November.

   confidence: boundary (margin)

In Erbil, Rāsayātrā 1914 falls on Monday 2 November. Pūrṇimā runs from 00:14 on Mon 2 Nov to 02:45 on Tue 3 Nov and covers all of niśītha that night. It is 4 min 57 s from a threshold: treat the date as contested.

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

Month

Kārtika, amānta

Pakṣa · aṅga

Śukla · Pūrṇimā

Kāla

Niśītha

Priority

Paraviddhā

Tie-break

Second day

Reference

CRC 1955, p. 104

S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima. Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.