Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2025

Thursday 30 October

Determinatein Sydney, under the Rashtriya Panchang method. Clear of every threshold by 111 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 Wednesday 29 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:15  13:03 madhyāhna ends
11:2711:5112:1512:3913:0313:2713:51

0 of 48 minutes covered

Midday of Thursday 30 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:15  13:03 madhyāhna ends
11:2711:5112:1512:3913:0313:2713:51

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 14:54 on Wed 29 Oct to 15:37 on Thu 30 Oct.

    2025-10-29T03:53:41Z → 2025-10-30T04:37:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 29th, 12:15–13:03 on the 30th.

    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 29th and 48 of 48 on the 30th.

    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 6630 s

  5. 05

    Ruling

    Gopāṣṭamī, Sydney, 2025: Thursday 30 October.

    confidence: determinate

Say it like this

In Sydney, Gopāṣṭamī 2025 falls on Thursday 30 October. Aṣṭamī runs from 14:54 on Wed 29 Oct to 15:37 on Thu 30 Oct and covers all of madhyāhna that midday.

ahargana.org/sydney/festivals/2025/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 30 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 30 Oct
compat-drikpanchangComparison profileThu 30 Oct
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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles20:54 → 21:3712:1248 min12:120 min29 Oct
Chicago22:54 → 23:3712:1048 min12:100 min29 Oct
Jersey City23:54 → 00:3712:1648 min12:160 min29 Oct
Port of Spain23:54 → 00:3711:2648 min11:260 min29 Oct
London03:54 → 04:3711:2048 min11:200 min29 Oct
Durban05:54 → 06:3711:1648 min11:160 min29 Oct
Dubai07:54 → 08:3711:3848 min11:380 min29 Oct
Delhi09:24 → 10:0711:4148 min11:410 min29 Oct
Kolkata09:24 → 10:0710:5648 min10:560 min29 Oct
Singapore11:54 → 12:3712:2448 min12:2413 min29 Oct
Sydney14:54 → 15:3712:150 min12:1548 min30 Oct
Suva15:54 → 16:3711:260 min11:2648 min30 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gopashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s