Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 1985

Tuesday 19 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 344 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 Tuesday 19 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:01  11:49 madhyāhna ends
10:1310:3711:0111:2511:4912:1312:37

48 of 48 minutes covered

Midday of Wednesday 20 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:01  11:49 madhyāhna ends
10:1310:3711:0111:2511:4912:1312:37

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 05:02 on Tue 19 Nov to 05:17 on Wed 20 Nov.

    1985-11-18T21:02:04Z → 1985-11-19T21:16:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 19th, 11:01–11:49 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 20662 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 1985: Tuesday 19 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 1985 falls on Tuesday 19 November. Aṣṭamī runs from 05:02 on Tue 19 Nov to 05:17 on Wed 20 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1985/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 19 Nov
compat-drikpanchangComparison profileTue 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles13:02 → 13:1711:140 min11:1448 min19 Nov
Chicago15:02 → 15:1711:120 min11:1248 min19 Nov
Jersey City16:02 → 16:1711:170 min11:1848 min19 Nov
Port of Spain17:02 → 17:1711:270 min11:2748 min19 Nov
London21:02 → 21:1711:210 min11:2248 min19 Nov
Durban23:02 → 23:1711:170 min11:1748 min19 Nov
Dubai01:02 → 01:1711:400 min11:4048 min19 Nov
Delhi02:32 → 02:4711:420 min11:4248 min19 Nov
Kolkata02:32 → 02:4710:580 min10:5848 min19 Nov
Singapore05:02 → 05:1712:260 min12:2648 min19 Nov
Sydney08:02 → 08:1712:160 min12:1748 min19 Nov
Suva09:02 → 09:1711:270 min11:2848 min19 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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