Ruling · Gaṅgotpatti (Ganga Saptami) · 1998

Saturday 2 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 373 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 2 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 3 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 05:24 on Sat 2 May to 05:38 on Sun 3 May.

    1998-05-01T21:24:29Z → 1998-05-02T21:38:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 2nd, 11:51–12:39 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 22396 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1998: Saturday 2 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1998 falls on Saturday 2 May. Saptamī runs from 05:24 on Sat 2 May to 05:38 on Sun 3 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 May
Ahargaṇa, classicalDisc centre, no refractionSat 2 May
compat-drikpanchangComparison profileSat 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles14:24 → 14:3812:260 min12:2648 min2 May
Chicago16:24 → 16:3812:240 min12:2448 min2 May
Jersey City17:24 → 17:3812:300 min12:3048 min2 May
Port of Spain17:24 → 17:3811:390 min11:3948 min2 May
London22:24 → 22:3812:340 min12:3448 min2 May
Durban23:24 → 23:3811:290 min11:2948 min2 May
Dubai01:24 → 01:3811:520 min11:5248 min2 May
Delhi02:54 → 03:0811:540 min11:5448 min2 May
Kolkata02:54 → 03:0811:100 min11:1048 min2 May
Singapore05:24 → 05:3812:380 min12:3848 min2 May
Sydney07:24 → 07:3811:280 min11:2848 min2 May
Suva09:24 → 09:3811:390 min11:3948 min2 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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