Ruling · Gaṅgotpatti (Ganga Saptami) · 1908

Thursday 7 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 343 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 7 May

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Friday 8 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 03:40 on Thu 7 May to 06:08 on Fri 8 May.

    1908-05-06T19:40:23Z → 1908-05-07T22:07:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:51–12:39 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 20581 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1908: Thursday 7 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1908 falls on Thursday 7 May. Saptamī runs from 03:40 on Thu 7 May to 06:08 on Fri 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1908/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 May
Ahargaṇa, classicalDisc centre, no refractionThu 7 May
compat-drikpanchangComparison profileThu 7 May
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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles11:40 → 14:0811:2633 min11:2648 min6 May
Chicago13:40 → 16:0811:230 min11:2348 min7 May
Jersey City14:40 → 17:0811:290 min11:2948 min7 May
Port of Spain15:40 → 18:0811:390 min11:3948 min7 May
London19:40 → 22:0811:340 min11:3348 min7 May
Durban21:40 → 00:0811:280 min11:2848 min7 May
Dubai23:21 → 01:4911:320 min11:3248 min7 May
Delhi01:10 → 03:3811:540 min11:5448 min7 May
Kolkata01:10 → 03:3811:090 min11:0948 min7 May
Singapore02:40 → 05:0811:370 min11:3748 min7 May
Sydney05:40 → 08:0811:280 min11:2748 min7 May
Suva07:35 → 10:0311:340 min11:3448 min7 May
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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