Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 1990

Saturday 27 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 189 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Friday 26 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

0 of 48 minutes covered

Midday of Saturday 27 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 15:35 on Fri 26 Oct to 17:07 on Sat 27 Oct.

    1990-10-26T07:35:14Z → 1990-10-27T09:07:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 26th, 11:38–12:26 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 11357 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 1990: Saturday 27 October.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 1990 falls on Saturday 27 October. Aṣṭamī runs from 15:35 on Fri 26 Oct to 17:07 on Sat 27 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1990/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 27 Oct
compat-drikpanchangComparison profileSat 27 Oct
No institution has a recorded ruling for Baoding.

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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles00:35 → 02:0712:1348 min12:130 min26 Oct
Chicago02:35 → 04:0712:1048 min12:100 min26 Oct
Jersey City03:35 → 05:0712:1648 min12:160 min26 Oct
Port of Spain03:35 → 05:0711:2648 min11:260 min26 Oct
London08:35 → 10:0712:2048 min12:200 min26 Oct
Durban09:35 → 11:0711:1648 min11:160 min26 Oct
Dubai11:35 → 13:0711:3948 min11:3948 min26 Oct
Delhi13:05 → 14:3711:410 min11:4148 min27 Oct
Kolkata13:05 → 14:3710:560 min10:5648 min27 Oct
Singapore15:35 → 17:0712:250 min12:2548 min27 Oct
Sydney17:35 → 19:0711:160 min11:1548 min27 Oct
Suva19:35 → 21:0711:270 min11:2648 min27 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