Ruling · Gopāṣṭamī (Goṣṭhāṣṭamī) · 1977

Friday 18 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 299 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 Thursday 17 November

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Friday 18 November

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

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 18:29 on Thu 17 Nov to 17:26 on Fri 18 Nov.

    1977-11-17T10:28:49Z → 1977-11-18T09:26:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 17th, 11:39–12:27 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 17946 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 1977: Friday 18 November.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 1977 falls on Friday 18 November. Aṣṭamī runs from 18:29 on Thu 17 Nov to 17:26 on Fri 18 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1977/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 18 Nov
compat-drikpanchangComparison profileFri 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles02:29 → 01:2611:1448 min11:140 min17 Nov
Chicago04:29 → 03:2611:1148 min11:120 min17 Nov
Jersey City05:29 → 04:2611:1748 min11:170 min17 Nov
Port of Spain06:29 → 05:2611:2748 min11:270 min17 Nov
London10:29 → 09:2611:2148 min11:210 min17 Nov
Durban12:29 → 11:2611:170 min11:179 min18 Nov
Dubai14:29 → 13:2611:400 min11:4048 min18 Nov
Delhi15:59 → 14:5611:420 min11:4248 min18 Nov
Kolkata15:59 → 14:5610:570 min10:5848 min18 Nov
Singapore17:59 → 16:5611:560 min11:5648 min18 Nov
Sydney21:29 → 20:2612:160 min12:1748 min18 Nov
Suva22:29 → 21:2611:270 min11:2848 min18 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