Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2000

Saturday 4 November

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 567 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Friday 3 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:24  12:12 madhyāhna ends
10:3611:0011:2411:4812:1212:3613:00

0 of 48 minutes covered

Midday of Saturday 4 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:24  12:12 madhyāhna ends
10:3611:0011:2411:4812:1212:3613:00

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 21:38 on Fri 3 Nov to 00:11 on Sun 5 Nov.

    2000-11-03T18:08:12Z → 2000-11-04T20:41:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 3rd, 11:24–12:12 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 33992 s

  5. 05

    Ruling

    Gopāṣṭamī, Tehran, 2000: Saturday 4 November.

    confidence: determinate

Say it like this

In Tehran, Gopāṣṭamī 2000 falls on Saturday 4 November. Aṣṭamī runs from 21:38 on Fri 3 Nov to 00:11 on Sun 5 Nov and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2000/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 4 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 4 Nov
compat-drikpanchangComparison profileSat 4 Nov
No institution has a recorded ruling for Tehran.

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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles10:08 → 12:4111:1248 min11:1248 min3 Nov
Chicago12:08 → 14:4111:100 min11:1048 min4 Nov
Jersey City13:08 → 15:4111:160 min11:1648 min4 Nov
Port of Spain14:08 → 16:4111:260 min11:2648 min4 Nov
London18:08 → 20:4111:200 min11:2048 min4 Nov
Durban20:08 → 22:4111:160 min11:1648 min4 Nov
Dubai22:08 → 00:4111:380 min11:3848 min4 Nov
Delhi23:38 → 02:1111:400 min11:4048 min4 Nov
Kolkata23:38 → 02:1110:560 min10:5648 min4 Nov
Singapore02:08 → 04:4112:240 min12:2448 min4 Nov
Sydney05:08 → 07:4112:150 min12:1548 min4 Nov
Suva06:08 → 08:4111:260 min11:2648 min4 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