Ruling · Gaṅgotpatti (Ganga Saptami) · 2080

Friday 26 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 283 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 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 Friday 26 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 19:45 on Thu 25 Apr to 17:24 on Fri 26 Apr.

    2080-04-25T11:44:46Z → 2080-04-26T09:23:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 25th, 11:52–12:40 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 17006 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2080: Friday 26 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2080 falls on Friday 26 April. Saptamī runs from 19:45 on Thu 25 Apr to 17:24 on Fri 26 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2080/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 26 Apr
compat-drikpanchangComparison profileFri 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 Angeles04:45 → 02:2412:2748 min12:270 min25 Apr
Chicago06:45 → 04:2412:2548 min12:250 min25 Apr
Jersey City07:45 → 05:2412:3148 min12:310 min25 Apr
Port of Spain07:45 → 05:2411:4048 min11:400 min25 Apr
London12:45 → 10:2412:3538 min12:350 min25 Apr
Durban13:45 → 11:2411:300 min11:300 min26 Apr
Dubai15:45 → 13:2411:530 min11:5348 min26 Apr
Delhi17:15 → 14:5411:550 min11:5548 min26 Apr
Kolkata17:15 → 14:5411:110 min11:1148 min26 Apr
Singapore19:45 → 17:2412:390 min12:3948 min26 Apr
Sydney21:45 → 19:2411:290 min11:2948 min26 Apr
Suva23:45 → 21:2411:400 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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