Ruling · Gaṅgotpatti (Ganga Saptami) · 1949

Thursday 5 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 340 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 Wednesday 4 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

0 of 48 minutes covered

Midday of Thursday 5 May

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 20:28 on Wed 4 May to 19:19 on Thu 5 May.

    1949-05-04T11:28:03Z → 1949-05-05T10:18:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 4th, 12:51–13:39 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 20373 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1949: Thursday 5 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1949 falls on Thursday 5 May. Saptamī runs from 20:28 on Wed 4 May to 19:19 on Thu 5 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1949/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 May
Ahargaṇa, classicalDisc centre, no refractionThu 5 May
compat-drikpanchangComparison profileThu 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles03:28 → 02:1911:2648 min11:260 min4 May
Chicago06:28 → 05:1912:2448 min12:240 min4 May
Jersey City07:28 → 06:1912:2948 min12:290 min4 May
Port of Spain07:28 → 06:1911:3948 min11:390 min4 May
London12:28 → 11:1912:3448 min12:340 min4 May
Durban13:28 → 12:1911:280 min11:2848 min5 May
Dubai15:28 → 14:1911:520 min11:5248 min5 May
Delhi16:58 → 15:4911:540 min11:5448 min5 May
Kolkata16:58 → 15:4911:090 min11:0948 min5 May
Singapore18:58 → 17:4912:070 min12:0748 min5 May
Sydney21:28 → 20:1911:280 min11:2848 min5 May
Suva23:28 → 22:1911:390 min11:3948 min5 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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