Ruling · Gaṅgotpatti (Ganga Saptami) · 1966

Wednesday 27 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 559 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 Wednesday 27 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Thursday 28 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 02:33 on Wed 27 Apr to 00:49 on Thu 28 Apr.

    1966-04-26T18:33:08Z → 1966-04-27T16:48:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 33543 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1966: Wednesday 27 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1966 falls on Wednesday 27 April. Saptamī runs from 02:33 on Wed 27 Apr to 00:49 on Thu 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1966/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 27 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 27 Apr
compat-drikpanchangComparison profileWed 27 Apr
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/gangotpatti · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles11:33 → 09:4912:2748 min12:270 min26 Apr
Chicago13:33 → 11:4912:250 min12:250 min27 Apr
Jersey City14:33 → 12:4912:300 min12:3019 min27 Apr
Port of Spain14:33 → 12:4911:400 min11:4048 min27 Apr
London19:33 → 17:4912:350 min12:3548 min27 Apr
Durban20:33 → 18:4911:300 min11:2948 min27 Apr
Dubai22:33 → 20:4911:530 min11:5348 min27 Apr
Delhi00:03 → 22:1911:550 min11:5548 min27 Apr
Kolkata00:03 → 22:1911:110 min11:1048 min27 Apr
Singapore02:03 → 00:1912:080 min12:0848 min27 Apr
Sydney04:33 → 02:4911:290 min11:2948 min27 Apr
Suva06:33 → 04:4911:400 min11:4048 min27 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gangotpatti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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