Ruling · Gopāṣṭamī · 1910

Thursday 10 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 569 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 Thursday 10 November

Taken. The only midday Aṣṭamī reaches.

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

48 of 48 minutes covered

Midday of Friday 11 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

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 01:16 on Thu 10 Nov to 01:31 on Fri 11 Nov.

    1910-11-09T17:15:40Z → 1910-11-10T17:30:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 10th, 11:00–11:48 on the 11th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.

    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 34144 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 1910: Thursday 10 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 1910 falls on Thursday 10 November. Aṣṭamī runs from 01:16 on Thu 10 Nov to 01:31 on Fri 11 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1910/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 10 Nov
compat-drikpanchangComparison profileThu 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles09:16 → 09:3111:1348 min11:130 min9 Nov
Chicago11:16 → 11:3111:1043 min11:1020 min9 Nov
Jersey City12:16 → 12:3111:160 min11:1648 min10 Nov
Port of Spain13:16 → 13:3111:260 min11:2648 min10 Nov
London17:16 → 17:3111:200 min11:2048 min10 Nov
Durban19:16 → 19:3111:160 min11:1648 min10 Nov
Dubai20:57 → 21:1211:190 min11:2048 min10 Nov
Delhi22:46 → 23:0111:410 min11:4148 min10 Nov
Kolkata22:46 → 23:0110:560 min10:5648 min10 Nov
Singapore00:16 → 00:3111:240 min11:2548 min10 Nov
Sydney03:16 → 03:3111:150 min11:1548 min10 Nov
Suva05:11 → 05:2611:210 min11:2148 min10 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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