Ruling · Gopāṣṭamī · 1924

Tuesday 4 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 353 minutes.

Decide it for

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Monday 3 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

0 of 48 minutes covered

Midday of Tuesday 4 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

48 of 48 minutes covered

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 19:04 on Mon 3 Nov to 17:40 on Tue 4 Nov.

    1924-11-03T11:04:24Z → 1924-11-04T09:40:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 3rd, 10:59–11:47 on the 4th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 21165 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 1924: Tuesday 4 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 1924 falls on Tuesday 4 November. Aṣṭamī runs from 19:04 on Mon 3 Nov to 17:40 on Tue 4 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1924/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 4 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 4 Nov
compat-drikpanchangComparison profileTue 4 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/gopashtami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 8 Gopastami, Gosthastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles03:04 → 01:4011:1248 min11:120 min3 Nov
Chicago05:04 → 03:4011:1048 min11:100 min3 Nov
Jersey City06:04 → 04:4011:1648 min11:160 min3 Nov
Port of Spain07:04 → 05:4011:2648 min11:260 min3 Nov
London11:04 → 09:4011:2048 min11:200 min3 Nov
Durban13:04 → 11:4011:160 min11:1624 min4 Nov
Dubai15:04 → 13:4011:380 min11:3848 min4 Nov
Delhi16:34 → 15:1011:410 min11:4148 min4 Nov
Kolkata16:34 → 15:1010:560 min10:5648 min4 Nov
Singapore18:04 → 16:4011:240 min11:2448 min4 Nov
Sydney21:04 → 19:4011:150 min11:1548 min4 Nov
Suva23:04 → 21:4011:260 min11:2648 min4 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gopashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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