Ruling · Gopāṣṭamī · 2089

Thursday 10 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 373 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 02:13 on Thu 10 Nov to 04:47 on Fri 11 Nov.

    2089-11-09T18:12:55Z → 2089-11-10T20:47:26Z

  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 22356 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 2089: Thursday 10 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 2089 falls on Thursday 10 November. Aṣṭamī runs from 02:13 on Thu 10 Nov to 04:47 on Fri 11 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2089/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 Angeles10:13 → 12:4711:1348 min11:1348 min9 Nov
Chicago12:13 → 14:4711:110 min11:1148 min10 Nov
Jersey City13:13 → 15:4711:160 min11:1648 min10 Nov
Port of Spain14:13 → 16:4711:260 min11:2648 min10 Nov
London18:13 → 20:4711:200 min11:2048 min10 Nov
Durban20:13 → 22:4711:160 min11:1648 min10 Nov
Dubai22:13 → 00:4711:390 min11:3948 min10 Nov
Delhi23:43 → 02:1711:410 min11:4148 min10 Nov
Kolkata23:43 → 02:1710:570 min10:5748 min10 Nov
Singapore02:13 → 04:4712:250 min12:2548 min10 Nov
Sydney05:13 → 07:4712:160 min12:1648 min10 Nov
Suva06:13 → 08:4711:260 min11:2748 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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