Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 1975

Tuesday 11 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 67 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 Monday 10 November

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 Tuesday 11 November

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 13:33 on Mon 10 Nov to 15:17 on Tue 11 Nov.

    1975-11-10T05:33:05Z → 1975-11-11T07:16:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 10th, 11:38–12:26 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 4036 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 1975: Tuesday 11 November.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 1975 falls on Tuesday 11 November. Aṣṭamī runs from 13:33 on Mon 10 Nov to 15:17 on Tue 11 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1975/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 11 Nov
compat-drikpanchangComparison profileTue 11 Nov
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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles21:33 → 23:1711:1348 min11:130 min10 Nov
Chicago23:33 → 01:1711:1048 min11:100 min10 Nov
Jersey City00:33 → 02:1711:1648 min11:160 min10 Nov
Port of Spain01:33 → 03:1711:2648 min11:260 min10 Nov
London05:33 → 07:1711:2048 min11:200 min10 Nov
Durban07:33 → 09:1711:1648 min11:160 min10 Nov
Dubai09:33 → 11:1711:3948 min11:390 min10 Nov
Delhi11:03 → 12:4711:4148 min11:4148 min10 Nov
Kolkata11:03 → 12:4710:5641 min10:5648 min11 Nov
Singapore13:03 → 14:4711:540 min11:5548 min11 Nov
Sydney16:33 → 18:1712:150 min12:1548 min11 Nov
Suva17:33 → 19:1711:260 min11:2648 min11 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

About Ahargaṇa