Ruling · Gopāṣṭamī · 1938

Monday 31 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 403 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 31 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

Midday of Tuesday 1 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

Aṣṭamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 02:31 on Mon 31 Oct to 04:55 on Tue 1 Nov.

    1938-10-30T18:31:02Z → 1938-10-31T20:55:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 31st, 11:38–12:26 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.

    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 24154 s

  5. 05

    Ruling

    Gopāṣṭamī, Baoding, 1938: Monday 31 October.

    confidence: determinate

Say it like this

In Baoding, Gopāṣṭamī 1938 falls on Monday 31 October. Aṣṭamī runs from 02:31 on Mon 31 Oct to 04:55 on Tue 1 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1938/gopashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 31 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 31 Oct
compat-drikpanchangComparison profileMon 31 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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles10:31 → 12:5511:1348 min11:1248 min30 Oct
Chicago12:31 → 14:5511:100 min11:1048 min31 Oct
Jersey City13:31 → 15:5511:160 min11:1648 min31 Oct
Port of Spain14:31 → 16:5511:260 min11:2648 min31 Oct
London18:31 → 20:5511:200 min11:2048 min31 Oct
Durban20:31 → 22:5511:160 min11:1648 min31 Oct
Dubai22:31 → 00:5511:380 min11:3848 min31 Oct
Delhi00:01 → 02:2511:410 min11:4148 min31 Oct
Kolkata00:01 → 02:2510:560 min10:5648 min31 Oct
Singapore01:51 → 04:1511:440 min11:4448 min31 Oct
Sydney04:31 → 06:5511:150 min11:1548 min31 Oct
Suva06:31 → 08:5511:260 min11:2648 min31 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

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