Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2026

Tuesday 17 November

Determinatein Sydney, under the Rashtriya Panchang method. Clear of every threshold by 41 minutes.

Decide it for

DelhiKolkataSingaporeSydneyJersey City

33°52′ S 151°12′ E · Australia/Sydney · GeoNames 2147714

The two middays

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

Midday of Tuesday 17 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:16  13:04 madhyāhna ends
11:2811:5212:1612:4013:0413:2813:52

48 of 48 minutes covered

Midday of Wednesday 18 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:16  13:04 madhyāhna ends
Aṣṭamī ends 11:35:39
11:2811:5212:1612:4013:0413:2813:52

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 09:50 on Tue 17 Nov to 11:36 on Wed 18 Nov.

    2026-11-16T22:50:08Z → 2026-11-18T00:35:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 17th, 12:16–13:04 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 2448 s

  5. 05

    Ruling

    Gopāṣṭamī, Sydney, 2026: Tuesday 17 November.

    confidence: determinate

Say it like this

In Sydney, Gopāṣṭamī 2026 falls on Tuesday 17 November. Aṣṭamī runs from 09:50 on Tue 17 Nov to 11:36 on Wed 18 Nov and covers all of madhyāhna that midday.

ahargana.org/sydney/festivals/2026/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 17 Nov
compat-drikpanchangComparison profileTue 17 Nov
No institution has a recorded ruling for Sydney.

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 16thCoveredMadhyāhna 18thCoveredRuled
Los Angeles14:50 → 16:3611:140 min11:140 min17 Nov
Chicago16:50 → 18:3611:110 min11:120 min17 Nov
Jersey City17:50 → 19:3611:170 min11:170 min17 Nov
Port of Spain18:50 → 20:3611:270 min11:270 min17 Nov
London22:50 → 00:3611:210 min11:210 min17 Nov
Durban00:50 → 02:3611:170 min11:170 min17 Nov
Dubai02:50 → 04:3611:390 min11:400 min17 Nov
Delhi04:20 → 06:0611:420 min11:420 min17 Nov
Kolkata04:20 → 06:0610:570 min10:580 min17 Nov
Singapore06:50 → 08:3612:250 min12:260 min17 Nov
Sydney09:50 → 11:3612:160 min12:160 min17 Nov
Suva10:50 → 12:3611:270 min11:2748 min17 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