Ruling · Gopāṣṭamī · 1907

Wednesday 13 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 33 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 12 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

0 of 48 minutes covered

Midday of Wednesday 13 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:00  11:48 madhyāhna ends
Aṣṭamī ends 12:20:41
10:1210:3611:0011:2411:4812:1212:36

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 14:12 on Tue 12 Nov to 12:21 on Wed 13 Nov.

    1907-11-12T06:11:48Z → 1907-11-13T04:20:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 12th, 11:00–11:48 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 1966 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 1907: Wednesday 13 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 1907 falls on Wednesday 13 November. Aṣṭamī runs from 14:12 on Tue 12 Nov to 12:21 on Wed 13 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1907/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 13 Nov
compat-drikpanchangComparison profileWed 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles22:12 → 20:2111:1348 min11:130 min12 Nov
Chicago00:12 → 22:2111:1148 min11:110 min12 Nov
Jersey City01:12 → 23:2111:1648 min11:160 min12 Nov
Port of Spain02:12 → 00:2111:2648 min11:260 min12 Nov
London06:12 → 04:2111:2048 min11:200 min12 Nov
Durban08:12 → 06:2111:1648 min11:160 min12 Nov
Dubai09:53 → 08:0211:2048 min11:200 min12 Nov
Delhi11:42 → 09:5111:4147 min11:410 min12 Nov
Kolkata11:42 → 09:5110:573 min10:570 min12 Nov
Singapore13:12 → 11:2111:250 min11:250 min13 Nov
Sydney16:12 → 14:2111:150 min11:1648 min13 Nov
Suva18:07 → 16:1611:210 min11:2248 min13 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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