Ruling · Gopāṣṭamī · 1931

Tuesday 17 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 541 minutes.

Decide it for

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 16 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 Tuesday 17 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 21:27 on Mon 16 Nov to 23:10 on Tue 17 Nov.

    1931-11-16T13:27:20Z → 1931-11-17T15:09:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 16th, 11:39–12:27 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 32444 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 1931: Tuesday 17 November.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 1931 falls on Tuesday 17 November. Aṣṭamī runs from 21:27 on Mon 16 Nov to 23:10 on Tue 17 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 17 Nov
compat-drikpanchangComparison profileTue 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles05:27 → 07:1011:1448 min11:140 min16 Nov
Chicago07:27 → 09:1011:1148 min11:110 min16 Nov
Jersey City08:27 → 10:1011:1748 min11:170 min16 Nov
Port of Spain09:27 → 11:1011:2748 min11:270 min16 Nov
London13:27 → 15:1011:210 min11:2148 min17 Nov
Durban15:27 → 17:1011:170 min11:1748 min17 Nov
Dubai17:27 → 19:1011:390 min11:4048 min17 Nov
Delhi18:57 → 20:4011:420 min11:4248 min17 Nov
Kolkata18:57 → 20:4010:570 min10:5748 min17 Nov
Singapore20:27 → 22:1011:250 min11:2548 min17 Nov
Sydney23:27 → 01:1011:160 min11:1648 min17 Nov
Suva01:27 → 03:1011:270 min11:2748 min17 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

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