Ruling · Rāsayātrā · 1984

Thursday 8 November

Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 4 min 58 s away. Say “contested”.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two nights

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

Night of Wednesday 7 November

Qualifies with 5 of 48 minutes. Not taken.

niśītha begins 23:00  23:48 niśītha ends
Pūrṇimā begins 23:43:09
22:1222:3623:0023:2423:4800:1200:36

5 of 48 minutes covered, the last 5

Night of Thursday 8 November

Taken. Both nights qualify; the rule takes the second.

niśītha begins 23:00  23:48 niśītha ends
22:1222:3623:0023:2423:4800:1200:36

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 23:43 on Wed 7 Nov to 01:43 on Fri 9 Nov.

    1984-11-07T15:43:09Z → 1984-11-08T17:42:36Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:00–23:48 on the 7th, 23:00–23:48 on the 8th.

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

  3. 03

    Rule

    Pūrṇimā must be present during niśītha. It covers 5 of 48 minutes on the 7th and 48 of 48 on the 8th.

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

  4. 04

    Tie-break

    Both nights qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 298 s < 300 s

  5. 05

    Ruling

    Rāsayātrā, Daqing, 1984: Thursday 8 November.

    confidence: boundary (margin)

Say it like this

In Daqing, Rāsayātrā 1984 falls on Thursday 8 November. Pūrṇimā runs from 23:43 on Wed 7 Nov to 01:43 on Fri 9 Nov and covers all of niśītha that night. It also reaches the previous night for 5 minutes; by the rule the second night is taken. It is 4 min 58 s from a threshold: treat the date as contested.

ahargana.org/daqing/festivals/1984/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 8 Nov
compat-drikpanchangComparison profileThu 8 Nov
No institution has a recorded ruling for Daqing.

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 Angeles07:43 → 09:4323:1348 min23:130 min7 Nov
Chicago09:43 → 11:4323:1148 min23:110 min7 Nov
Jersey City10:43 → 12:4323:1648 min23:160 min7 Nov
Port of Spain11:43 → 13:4323:2648 min23:260 min7 Nov
London15:43 → 17:4323:2148 min23:210 min7 Nov
Durban17:43 → 19:4323:1548 min23:160 min7 Nov
Dubai19:43 → 21:4323:3948 min23:390 min7 Nov
Delhi21:13 → 23:1323:4148 min23:410 min7 Nov
Kolkata21:13 → 23:1322:5648 min22:5616 min8 Nov
Singapore23:43 → 01:4300:2448 min00:2448 min8 Nov
Sydney02:43 → 04:4300:150 min00:1548 min8 Nov
Suva03:43 → 05:4323:260 min23:2648 min8 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

About Ahargaṇa