Ruling · Gaṅgotpatti (Ganga Saptami) · 1924

Sunday 11 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 475 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 Saturday 10 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

Midday of Sunday 11 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 20:34 on Sat 10 May to 21:50 on Sun 11 May.

    1924-05-10T12:33:52Z → 1924-05-11T13:50:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 10th, 11:51–12:39 on the 11th.

    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 10th and 48 of 48 on the 11th.

    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 28506 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1924: Sunday 11 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1924 falls on Sunday 11 May. Saptamī runs from 20:34 on Sat 10 May to 21:50 on Sun 11 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1924/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 May
Ahargaṇa, classicalDisc centre, no refractionSun 11 May
compat-drikpanchangComparison profileSun 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles04:34 → 05:5011:2648 min11:250 min10 May
Chicago07:34 → 08:5012:2348 min12:230 min10 May
Jersey City08:34 → 09:5012:2948 min12:290 min10 May
Port of Spain08:34 → 09:5011:3848 min11:380 min10 May
London13:34 → 14:5012:330 min12:3348 min11 May
Durban14:34 → 15:5011:280 min11:2848 min11 May
Dubai16:34 → 17:5011:510 min11:5148 min11 May
Delhi18:04 → 19:2011:540 min11:5448 min11 May
Kolkata18:04 → 19:2011:090 min11:0948 min11 May
Singapore19:34 → 20:5011:370 min11:3748 min11 May
Sydney22:34 → 23:5011:270 min11:2748 min11 May
Suva00:34 → 01:5011:390 min11:3948 min11 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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