Rāsayātrā

1. १Step 1, Aṅga

   Pūrṇimā runs from 20:43 on Thu 23 Nov to 23:14 on Fri 24 Nov.

   1950-11-23T12:42:58Z → 1950-11-24T15:14:04Z
2. २Step 2, Kāla

   Niśītha is 1 ghaṭikā either side of midnight: 23:11–23:59 on the 23rd, 23:11–23:59 on the 24th.

   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 23rd and 3 of 48 on the 24th.

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

   Both nights qualify. Paraviddhā: the second is taken.

   priority: paraviddha → paraviddha · margin 187 s < 300 s
5. ५Step 5, Ruling

   Rāsayātrā, Anshan, 1950: Friday 24 November.

   confidence: boundary (margin)

In Anshan, Rāsayātrā 1950 falls on Friday 24 November. Pūrṇimā runs from 20:43 on Thu 23 Nov to 23:14 on Fri 24 Nov and covers 3 of 48 minutes of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken. It is 3 min 07 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.