Ruling · Gaṅgotpatti (Ganga Saptami) · 1927

Saturday 7 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 64 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 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 Sunday 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 09:59 on Sat 7 May to 10:47 on Sun 8 May.

    1927-05-07T01:58:48Z → 1927-05-08T02:47:16Z

  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 3820 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1927: Saturday 7 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1927 falls on Saturday 7 May. Saptamī runs from 09:59 on Sat 7 May to 10:47 on Sun 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1927/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 7 May
Ahargaṇa, classicalDisc centre, no refractionSat 7 May
compat-drikpanchangComparison profileSat 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles17:59 → 18:4711:2648 min11:260 min7 May
Chicago20:59 → 21:4712:2348 min12:230 min7 May
Jersey City21:59 → 22:4712:2948 min12:290 min7 May
Port of Spain21:59 → 22:4711:3948 min11:390 min7 May
London02:59 → 03:4712:3448 min12:330 min7 May
Durban03:59 → 04:4711:2848 min11:280 min7 May
Dubai05:59 → 06:4711:5148 min11:510 min7 May
Delhi07:29 → 08:1711:5448 min11:540 min7 May
Kolkata07:29 → 08:1711:0948 min11:090 min7 May
Singapore08:59 → 09:4711:3748 min11:370 min7 May
Sydney11:59 → 12:4711:2817 min11:2748 min7 May
Suva13:59 → 14:4711:390 min11:3948 min8 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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