Rāsayātrā

1. १Step 1, Aṅga

   Pūrṇimā runs from 05:42 on Wed 17 Nov to 02:10 on Thu 18 Nov.

   1937-11-17T11:41:47Z → 1937-11-18T08:09:30Z
2. २Step 2, Kāla

   Niśītha is 1 ghaṭikā either side of midnight: 23:12–00:00 on the 16th, 23:12–00:00 on the 17th.

   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 16th and 48 of 48 on the 17th.

   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 7769 s
5. ५Step 5, Ruling

   Rāsayātrā, Chicago, 1937: Wednesday 17 November.

   confidence: determinate

In Chicago, Rāsayātrā 1937 falls on Wednesday 17 November. Pūrṇimā runs from 05:42 on Wed 17 Nov to 02:10 on Thu 18 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.