Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 2028

Wednesday 25 October

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 547 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

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

Midday of Tuesday 24 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 of 48 minutes covered

Midday of Wednesday 25 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 21:42 on Tue 24 Oct to 23:14 on Wed 25 Oct.

    2028-10-24T16:11:46Z → 2028-10-25T17:44:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 24th, 11:47–12:35 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 32812 s

  5. 05

    Ruling

    Gopāṣṭamī, Ujjain, 2028: Wednesday 25 October.

    confidence: determinate

Say it like this

In Ujjain, Gopāṣṭamī 2028 falls on Wednesday 25 October. Aṣṭamī runs from 21:42 on Tue 24 Oct to 23:14 on Wed 25 Oct and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2028/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 25 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 25 Oct
compat-drikpanchangComparison profileWed 25 Oct
No institution has a recorded ruling for Ujjain.

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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles09:12 → 10:4412:1348 min12:130 min24 Oct
Chicago11:12 → 12:4412:1048 min12:1034 min24 Oct
Jersey City12:12 → 13:4412:1648 min12:1648 min24 Oct
Port of Spain12:12 → 13:4411:262 min11:2648 min25 Oct
London17:12 → 18:4412:200 min12:2048 min25 Oct
Durban18:12 → 19:4411:160 min11:1648 min25 Oct
Dubai20:12 → 21:4411:390 min11:3948 min25 Oct
Delhi21:42 → 23:1411:410 min11:4148 min25 Oct
Kolkata21:42 → 23:1410:570 min10:5648 min25 Oct
Singapore00:12 → 01:4412:250 min12:2548 min25 Oct
Sydney03:12 → 04:4412:160 min12:1648 min25 Oct
Suva04:12 → 05:4411:270 min11:2748 min25 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