Ruling · Gopāṣṭamī · 1913

Thursday 6 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 118 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 Wednesday 5 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 Thursday 6 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 13:45 on Wed 5 Nov to 15:32 on Thu 6 Nov.

    1913-11-05T05:45:29Z → 1913-11-06T07:32:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 5th, 10:59–11:47 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 7087 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 1913: Thursday 6 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 1913 falls on Thursday 6 November. Aṣṭamī runs from 13:45 on Wed 5 Nov to 15:32 on Thu 6 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1913/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 6 Nov
compat-drikpanchangComparison profileThu 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles21:45 → 23:3211:1248 min11:130 min5 Nov
Chicago23:45 → 01:3211:1048 min11:100 min5 Nov
Jersey City00:45 → 02:3211:1648 min11:160 min5 Nov
Port of Spain01:45 → 03:3211:2648 min11:260 min5 Nov
London05:45 → 07:3211:2048 min11:200 min5 Nov
Durban07:45 → 09:3211:1648 min11:160 min5 Nov
Dubai09:26 → 11:1311:1948 min11:190 min5 Nov
Delhi11:15 → 13:0211:4148 min11:4148 min5 Nov
Kolkata11:15 → 13:0210:5629 min10:5648 min6 Nov
Singapore12:45 → 14:3211:240 min11:2448 min6 Nov
Sydney15:45 → 17:3211:150 min11:1548 min6 Nov
Suva17:40 → 19:2711:210 min11:2148 min6 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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