Ruling · Gaṅgotpatti (Ganga Saptami) · 1962

Thursday 10 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 248 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 10 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 11 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 06:07 on Thu 10 May to 07:43 on Fri 11 May.

    1962-05-09T22:07:05Z → 1962-05-10T23:42:53Z

  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 48 of 48 minutes on the 10th and 0 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 14873 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1962: Thursday 10 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1962 falls on Thursday 10 May. Saptamī runs from 06:07 on Thu 10 May to 07:43 on Fri 11 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1962/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 10 May
Ahargaṇa, classicalDisc centre, no refractionThu 10 May
compat-drikpanchangComparison profileThu 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles15:07 → 16:4312:260 min12:2648 min10 May
Chicago17:07 → 18:4312:230 min12:2348 min10 May
Jersey City18:07 → 19:4312:290 min12:2948 min10 May
Port of Spain18:07 → 19:4311:390 min11:3848 min10 May
London23:07 → 00:4312:330 min12:3348 min10 May
Durban00:07 → 01:4311:280 min11:2848 min10 May
Dubai02:07 → 03:4311:510 min11:5148 min10 May
Delhi03:37 → 05:1311:540 min11:5448 min10 May
Kolkata03:37 → 05:1311:090 min11:0948 min10 May
Singapore05:37 → 07:1312:070 min12:0748 min10 May
Sydney08:07 → 09:4311:270 min11:2748 min10 May
Suva10:07 → 11:4311:390 min11:3948 min10 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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