Rāsayātrā

1. १Step 1, Aṅga

   Pūrṇimā runs from 13:23 on Sat 15 Nov to 15:12 on Sun 16 Nov.

   1986-11-15T10:23:10Z → 1986-11-16T12:11:33Z
2. २Step 2, Kāla

   Niśītha is 1 ghaṭikā either side of midnight: 22:55–23:43 on the 15th, 22:55–23:43 on the 16th.

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

   Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.

   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.

   one day qualifies → only-day · margin 27797 s
5. ५Step 5, Ruling

   Rāsayātrā, Doha, 1986: Saturday 15 November.

   confidence: determinate

In Doha, Rāsayātrā 1986 falls on Saturday 15 November. Pūrṇimā runs from 13:23 on Sat 15 Nov to 15:12 on Sun 16 Nov and covers all of niśītha that night.

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.