Ruling · Gopāṣṭamī · 2075

Friday 15 November

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 453 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

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 Thursday 14 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:25  12:13 madhyāhna ends
10:3711:0111:2511:4912:1312:3713:01

0 of 48 minutes covered

Midday of Friday 15 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:25  12:13 madhyāhna ends
10:3711:0111:2511:4912:1312:3713:01

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 21:32 on Thu 14 Nov to 19:46 on Fri 15 Nov.

    2075-11-14T18:02:23Z → 2075-11-15T16:16:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 14th, 11:25–12:13 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 27191 s

  5. 05

    Ruling

    Gopāṣṭamī, Tehran, 2075: Friday 15 November.

    confidence: determinate

Say it like this

In Tehran, Gopāṣṭamī 2075 falls on Friday 15 November. Aṣṭamī runs from 21:32 on Thu 14 Nov to 19:46 on Fri 15 Nov and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2075/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 15 Nov
compat-drikpanchangComparison profileFri 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles10:02 → 08:1611:1348 min11:140 min14 Nov
Chicago12:02 → 10:1611:110 min11:110 min15 Nov
Jersey City13:02 → 11:1611:170 min11:170 min15 Nov
Port of Spain14:02 → 12:1611:270 min11:2748 min15 Nov
London18:02 → 16:1611:210 min11:2148 min15 Nov
Durban20:02 → 18:1611:170 min11:1748 min15 Nov
Dubai22:02 → 20:1611:390 min11:3948 min15 Nov
Delhi23:32 → 21:4611:410 min11:4248 min15 Nov
Kolkata23:32 → 21:4610:570 min10:5748 min15 Nov
Singapore02:02 → 00:1612:250 min12:2548 min15 Nov
Sydney05:02 → 03:1612:160 min12:1648 min15 Nov
Suva06:02 → 04:1611:270 min11:2748 min15 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