Ruling · Gaṅgotpatti (Ganga Saptami) · 2050

Thursday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 159 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 27 April

Saptamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Thursday 28 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 15:19 on Wed 27 Apr to 17:05 on Thu 28 Apr.

    2050-04-27T07:19:05Z → 2050-04-28T09:05:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 9533 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2050: Thursday 28 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2050 falls on Thursday 28 April. Saptamī runs from 15:19 on Wed 27 Apr to 17:05 on Thu 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2050/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 28 Apr
compat-drikpanchangComparison profileThu 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles00:19 → 02:0512:2748 min12:270 min27 Apr
Chicago02:19 → 04:0512:2548 min12:240 min27 Apr
Jersey City03:19 → 05:0512:3048 min12:300 min27 Apr
Port of Spain03:19 → 05:0511:4048 min11:400 min27 Apr
London08:19 → 10:0512:3548 min12:350 min27 Apr
Durban09:19 → 11:0511:2948 min11:290 min27 Apr
Dubai11:19 → 13:0511:5348 min11:5248 min27 Apr
Delhi12:49 → 14:3511:550 min11:5548 min28 Apr
Kolkata12:49 → 14:3511:100 min11:1048 min28 Apr
Singapore15:19 → 17:0512:380 min12:3848 min28 Apr
Sydney17:19 → 19:0511:290 min11:2948 min28 Apr
Suva19:19 → 21:0511:400 min11:4048 min28 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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