Ruling · Gaṅgotpatti (Ganga Saptami) · 1939

Wednesday 26 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 171 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 Tuesday 25 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Wednesday 26 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 17:39 on Tue 25 Apr to 15:32 on Wed 26 Apr.

    1939-04-25T09:38:45Z → 1939-04-26T07:31:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 25th, 11:52–12:40 on the 26th.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.

    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 10273 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1939: Wednesday 26 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1939 falls on Wednesday 26 April. Saptamī runs from 17:39 on Tue 25 Apr to 15:32 on Wed 26 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 26 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 26 Apr
compat-drikpanchangComparison profileWed 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles01:39 → 23:3211:2748 min11:270 min25 Apr
Chicago03:39 → 01:3211:2548 min11:250 min25 Apr
Jersey City04:39 → 02:3211:3148 min11:310 min25 Apr
Port of Spain05:39 → 03:3211:4048 min11:400 min25 Apr
London10:39 → 08:3212:3548 min12:350 min25 Apr
Durban11:39 → 09:3211:3039 min11:300 min25 Apr
Dubai13:39 → 11:3211:530 min11:530 min26 Apr
Delhi15:09 → 13:0211:550 min11:5548 min26 Apr
Kolkata15:09 → 13:0211:110 min11:1148 min26 Apr
Singapore16:59 → 14:5211:590 min11:5948 min26 Apr
Sydney19:39 → 17:3211:290 min11:2948 min26 Apr
Suva21:39 → 19:3211:400 min11:4048 min26 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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