Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2039

Wednesday 23 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 300 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 22 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

0 of 48 minutes covered

Midday of Wednesday 23 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

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 17:53 on Tue 22 Nov to 16:50 on Wed 23 Nov.

    2039-11-22T09:52:39Z → 2039-11-23T08:50:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 22nd, 11:02–11:50 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 18002 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 2039: Wednesday 23 November.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 2039 falls on Wednesday 23 November. Aṣṭamī runs from 17:53 on Tue 22 Nov to 16:50 on Wed 23 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2039/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 23 Nov
compat-drikpanchangComparison profileWed 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles01:53 → 00:5011:1548 min11:150 min22 Nov
Chicago03:53 → 02:5011:1348 min11:130 min22 Nov
Jersey City04:53 → 03:5011:1848 min11:190 min22 Nov
Port of Spain05:53 → 04:5011:2848 min11:280 min22 Nov
London09:53 → 08:5011:2248 min11:230 min22 Nov
Durban11:53 → 10:5011:1813 min11:180 min22 Nov
Dubai13:53 → 12:5011:410 min11:4148 min23 Nov
Delhi15:23 → 14:2011:430 min11:4348 min23 Nov
Kolkata15:23 → 14:2010:580 min10:5948 min23 Nov
Singapore17:53 → 16:5012:270 min12:2748 min23 Nov
Sydney20:53 → 19:5012:170 min12:1848 min23 Nov
Suva21:53 → 20:5011:280 min11:2948 min23 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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