Ruling · Gopāṣṭamī · 1920

Thursday 18 November

Boundaryin Aleppo, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.

Decide it for

36°12′ N 37°10′ E · Asia/Damascus · GeoNames 170063

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 18 November

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 10:52  11:40 madhyāhna ends
10:0410:2810:5211:1611:4012:0412:28

48 of 48 minutes covered

Midday of Friday 19 November

Qualifies with 9 of 48 minutes. Not taken.

madhyāhna begins 10:53  11:41 madhyāhna ends
Aṣṭamī ends 11:02:03
10:0510:2910:5311:1711:4112:0512:29

9 of 48 minutes covered, the first 9

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 09:14 on Thu 18 Nov to 11:02 on Fri 19 Nov.

    1920-11-18T07:14:25Z → 1920-11-19T09:02:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 18th, 10:53–11:41 on the 19th.

    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 18th and 9 of 48 on the 19th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 566 s

  5. 05

    Ruling

    Gopāṣṭamī, Aleppo, 1920: Thursday 18 November.

    confidence: boundary (tie-break-unstated)

Say it like this

In Aleppo, Gopāṣṭamī 1920 falls on Thursday 18 November. Aṣṭamī runs from 09:14 on Thu 18 Nov to 11:02 on Fri 19 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 9 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/aleppo/festivals/1920/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 18 Nov
compat-drikpanchangComparison profileThu 18 Nov
No institution has a recorded ruling for Aleppo.

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 Angeles23:14 → 01:0211:1448 min11:140 min18 Nov
Chicago01:14 → 03:0211:1248 min11:120 min18 Nov
Jersey City02:14 → 04:0211:1748 min11:180 min18 Nov
Port of Spain03:14 → 05:0211:2748 min11:280 min18 Nov
London07:14 → 09:0211:2148 min11:220 min18 Nov
Durban09:14 → 11:0211:1748 min11:180 min18 Nov
Dubai11:14 → 13:0211:4048 min11:4048 min18 Nov
Delhi12:44 → 14:3211:420 min11:4248 min19 Nov
Kolkata12:44 → 14:3210:580 min10:5848 min19 Nov
Singapore14:14 → 16:0211:260 min11:2648 min19 Nov
Sydney17:14 → 19:0211:170 min11:1748 min19 Nov
Suva19:14 → 21:0211:280 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

About Ahargaṇa