Ruling · Gaṅgotpatti (Ganga Saptami) · 1907

Sunday 19 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 190 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 Sunday 19 May

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Monday 20 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 06:41 on Sun 19 May to 08:41 on Mon 20 May.

    1907-05-18T22:41:03Z → 1907-05-20T00:40:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 11389 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1907: Sunday 19 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1907 falls on Sunday 19 May. Saptamī runs from 06:41 on Sun 19 May to 08:41 on Mon 20 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 May
Ahargaṇa, classicalDisc centre, no refractionSun 19 May
compat-drikpanchangComparison profileSun 19 May
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 18thCoveredMadhyāhna 20thCoveredRuled
Los Angeles14:41 → 16:4111:250 min11:250 min19 May
Chicago16:41 → 18:4111:230 min11:230 min19 May
Jersey City17:41 → 19:4111:290 min11:290 min19 May
Port of Spain18:41 → 20:4111:380 min11:380 min19 May
London22:41 → 00:4111:330 min11:330 min19 May
Durban00:41 → 02:4111:280 min11:280 min19 May
Dubai02:22 → 04:2211:320 min11:320 min19 May
Delhi04:11 → 06:1111:530 min11:540 min19 May
Kolkata04:11 → 06:1111:090 min11:090 min19 May
Singapore05:41 → 07:4111:370 min11:370 min19 May
Sydney08:41 → 10:4111:270 min11:270 min19 May
Suva10:36 → 12:3611:330 min11:3448 min19 May
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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