Ruling · Rāsayātrā · 2087

Sunday 9 November

Determinatein Shaoxing, under the Rashtriya Panchang method. Clear of every threshold by 18 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 Sunday 9 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:18  00:06 niśītha ends
Pūrṇimā begins 23:47:35
22:3022:5423:1823:4200:0600:3000:54

18 of 48 minutes covered, the last 18

Night of Monday 10 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 23:48 on Sun 9 Nov to 20:06 on Mon 10 Nov.

    2087-11-09T15:47:36Z → 2087-11-10T12:06:30Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:18–00:06 on the 9th, 23:18–00:06 on the 10th.

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

  3. 03

    Rule

    Pūrṇimā must be present during niśītha. It covers 18 of 48 minutes on the 9th and 0 of 48 on the 10th.

    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 1102 s

  5. 05

    Ruling

    Rāsayātrā, Shaoxing, 2087: Sunday 9 November.

    confidence: determinate

Say it like this

In Shaoxing, Rāsayātrā 2087 falls on Sunday 9 November. Pūrṇimā runs from 23:48 on Sun 9 Nov to 20:06 on Mon 10 Nov and covers 18 of 48 minutes of niśītha that night.

ahargana.org/shaoxing/festivals/2087/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 9 Nov
compat-drikpanchangComparison profileSun 9 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 9thCoveredNiśītha 10thCoveredRuled
Los Angeles07:48 → 04:0623:1348 min23:130 min9 Nov
Chicago09:48 → 06:0623:1148 min23:110 min9 Nov
Jersey City10:48 → 07:0623:1748 min23:170 min9 Nov
Port of Spain11:48 → 08:0623:2648 min23:260 min9 Nov
London15:48 → 12:0623:2148 min23:210 min9 Nov
Durban17:48 → 14:0623:1648 min23:160 min9 Nov
Dubai19:48 → 16:0623:3948 min23:390 min9 Nov
Delhi21:18 → 17:3623:4148 min23:410 min9 Nov
Kolkata21:18 → 17:3622:5748 min22:570 min9 Nov
Singapore23:48 → 20:0600:2548 min00:250 min9 Nov
Sydney02:48 → 23:0600:150 min00:150 min10 Nov
Suva03:48 → 00:0623:260 min23:2640 min10 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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