Ruling · Gopāṣṭamī · 2085

Friday 26 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 591 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Thursday 25 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

0 of 48 minutes covered

Midday of Friday 26 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

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 23:28 on Thu 25 Oct to 21:39 on Fri 26 Oct.

    2085-10-25T15:27:39Z → 2085-10-26T13:38:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 25th, 11:00–11:48 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 35456 s

  5. 05

    Ruling

    Gopāṣṭamī, Daqing, 2085: Friday 26 October.

    confidence: determinate

Say it like this

In Daqing, Gopāṣṭamī 2085 falls on Friday 26 October. Aṣṭamī runs from 23:28 on Thu 25 Oct to 21:39 on Fri 26 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2085/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 26 Oct
compat-drikpanchangComparison profileFri 26 Oct
No institution has a recorded ruling for Daqing.

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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles08:28 → 06:3912:1348 min12:130 min25 Oct
Chicago10:28 → 08:3912:1148 min12:100 min25 Oct
Jersey City11:28 → 09:3912:1648 min12:160 min25 Oct
Port of Spain11:28 → 09:3911:2647 min11:260 min25 Oct
London16:28 → 14:3912:200 min12:2048 min26 Oct
Durban17:28 → 15:3911:160 min11:1648 min26 Oct
Dubai19:28 → 17:3911:390 min11:3948 min26 Oct
Delhi20:58 → 19:0911:410 min11:4148 min26 Oct
Kolkata20:58 → 19:0910:570 min10:5748 min26 Oct
Singapore23:28 → 21:3912:250 min12:2548 min26 Oct
Sydney02:28 → 00:3912:160 min12:1648 min26 Oct
Suva03:28 → 01:3911:270 min11:2748 min26 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

About Ahargaṇa