Ruling · Rāsayātrā · 1919

Friday 7 November

Determinatein Shaoxing, under the Rashtriya Panchang method. Clear of every threshold by 449 minutes.

Decide it for

30°00′ N 120°35′ E · Asia/Shanghai · GeoNames 1795855

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Thursday 6 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:18  00:06 niśītha ends
22:3022:5423:1823:4200:0600:3000:54

0 of 48 minutes covered

Night of Friday 7 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:18  00:06 niśītha ends
22:3022:5423:1823:4200:0600:3000:54

48 of 48 minutes covered

Pūrṇimā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 11:10 on Fri 7 Nov to 07:35 on Sat 8 Nov.

    1919-11-07T03:10:08Z → 1919-11-07T23:34:47Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:18–00:06 on the 6th, 23:18–00:06 on the 7th.

    nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 26949 s

  5. 05

    Ruling

    Rāsayātrā, Shaoxing, 1919: Friday 7 November.

    confidence: determinate

Say it like this

In Shaoxing, Rāsayātrā 1919 falls on Friday 7 November. Pūrṇimā runs from 11:10 on Fri 7 Nov to 07:35 on Sat 8 Nov and covers all of niśītha that night.

ahargana.org/shaoxing/festivals/1919/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 7 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 7 Nov
compat-drikpanchangComparison profileFri 7 Nov
No institution has a recorded ruling for Shaoxing.

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

The rule, as data

/rules/rasayatra · ruleset 2026.3-draft

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.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāNiśītha 7thCoveredNiśītha 8thCoveredRuled
Los Angeles19:10 → 15:3523:130 min23:130 min6 Nov
Chicago21:10 → 17:3523:110 min23:110 min6 Nov
Jersey City22:10 → 18:3523:160 min23:160 min6 Nov
Port of Spain23:10 → 19:3523:260 min23:260 min6 Nov
London03:10 → 23:3523:2114 min23:210 min7 Nov
Durban05:10 → 01:3523:1548 min23:160 min7 Nov
Dubai06:51 → 03:1623:2048 min23:200 min7 Nov
Delhi08:40 → 05:0523:4148 min23:410 min7 Nov
Kolkata08:40 → 05:0522:5648 min22:560 min7 Nov
Singapore10:10 → 06:3523:2448 min23:240 min7 Nov
Sydney13:10 → 09:3523:1548 min23:150 min7 Nov
Suva15:10 → 11:3523:2648 min23:260 min7 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rasayatra@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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