Ruling · Gaṅgotpatti (Ganga Saptami) · 1909

Monday 26 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 480 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 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

Midday of Tuesday 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 02:56 on Mon 26 Apr to 03:53 on Tue 27 Apr.

    1909-04-25T18:55:59Z → 1909-04-26T19:52:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 26th, 11:52–12:40 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 28774 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1909: Monday 26 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1909 falls on Monday 26 April. Saptamī runs from 02:56 on Mon 26 Apr to 03:53 on Tue 27 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1909/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 26 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 26 Apr
compat-drikpanchangComparison profileMon 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 Angeles10:56 → 11:5311:2748 min11:2726 min25 Apr
Chicago12:56 → 13:5311:250 min11:2548 min26 Apr
Jersey City13:56 → 14:5311:310 min11:3048 min26 Apr
Port of Spain14:56 → 15:5311:400 min11:4048 min26 Apr
London18:56 → 19:5311:350 min11:3548 min26 Apr
Durban20:56 → 21:5311:300 min11:3048 min26 Apr
Dubai22:37 → 23:3411:340 min11:3448 min26 Apr
Delhi00:26 → 01:2311:550 min11:5548 min26 Apr
Kolkata00:26 → 01:2311:110 min11:1148 min26 Apr
Singapore01:56 → 02:5311:390 min11:3848 min26 Apr
Sydney04:56 → 05:5311:290 min11:2948 min26 Apr
Suva06:51 → 07:4811:350 min11:3548 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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