Ruling · Gaṅgotpatti (Ganga Saptami) · 2007

Monday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 539 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 Monday 23 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Tuesday 24 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 02:54 on Mon 23 Apr to 02:29 on Tue 24 Apr.

    2007-04-22T18:53:48Z → 2007-04-23T18:28:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 32348 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2007: Monday 23 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2007 falls on Monday 23 April. Saptamī runs from 02:54 on Mon 23 Apr to 02:29 on Tue 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2007/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 23 Apr
compat-drikpanchangComparison profileMon 23 Apr
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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles11:54 → 11:2912:2848 min12:280 min22 Apr
Chicago13:54 → 13:2912:260 min12:2548 min23 Apr
Jersey City14:54 → 14:2912:310 min12:3148 min23 Apr
Port of Spain14:54 → 14:2911:410 min11:4148 min23 Apr
London19:54 → 19:2912:360 min12:3548 min23 Apr
Durban20:54 → 20:2911:300 min11:3048 min23 Apr
Dubai22:54 → 22:2911:540 min11:5348 min23 Apr
Delhi00:24 → 23:5911:560 min11:5648 min23 Apr
Kolkata00:24 → 23:5911:110 min11:1148 min23 Apr
Singapore02:54 → 02:2912:390 min12:3948 min23 Apr
Sydney04:54 → 04:2911:300 min11:2948 min23 Apr
Suva06:54 → 06:2911:410 min11:4148 min23 Apr
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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