Ruling · Gaṅgotpatti (Ganga Saptami) · 2091

Thursday 26 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 118 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 25 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

Midday of Thursday 26 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

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 14:44 on Wed 25 Apr to 14:39 on Thu 26 Apr.

    2091-04-25T06:43:34Z → 2091-04-26T06:38:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 25th, 11:53–12:41 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 7090 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2091: Thursday 26 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2091 falls on Thursday 26 April. Saptamī runs from 14:44 on Wed 25 Apr to 14:39 on Thu 26 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 26 Apr
compat-drikpanchangComparison profileThu 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles23:44 → 23:3912:2748 min12:270 min25 Apr
Chicago01:44 → 01:3912:2548 min12:250 min25 Apr
Jersey City02:44 → 02:3912:3148 min12:310 min25 Apr
Port of Spain02:44 → 02:3911:4048 min11:400 min25 Apr
London07:44 → 07:3912:3548 min12:350 min25 Apr
Durban08:44 → 08:3911:3048 min11:300 min25 Apr
Dubai10:44 → 10:3911:5348 min11:530 min25 Apr
Delhi12:14 → 12:0911:5630 min11:5513 min25 Apr
Kolkata12:14 → 12:0911:110 min11:1148 min26 Apr
Singapore14:44 → 14:3912:390 min12:3948 min26 Apr
Sydney16:44 → 16:3911:290 min11:2948 min26 Apr
Suva18:44 → 18:3911:410 min11:4048 min26 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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