Ruling · Gaṅgotpatti (Ganga Saptami) · 2089

Monday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 565 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 16 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 Tuesday 17 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 02:26 on Mon 16 May to 00:06 on Tue 17 May.

    2089-05-15T18:26:21Z → 2089-05-16T16:06:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 16th, 11:51–12:39 on the 17th.

    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 16th and 0 of 48 on the 17th.

    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 33890 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2089: Monday 16 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2089 falls on Monday 16 May. Saptamī runs from 02:26 on Mon 16 May to 00:06 on Tue 17 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2089/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 16 May
Ahargaṇa, classicalDisc centre, no refractionMon 16 May
compat-drikpanchangComparison profileMon 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles11:26 → 09:0612:2648 min12:260 min15 May
Chicago13:26 → 11:0612:240 min12:240 min16 May
Jersey City14:26 → 12:0612:290 min12:290 min16 May
Port of Spain14:26 → 12:0611:390 min11:3927 min16 May
London19:26 → 17:0612:340 min12:3448 min16 May
Durban20:26 → 18:0611:290 min11:2948 min16 May
Dubai22:26 → 20:0611:520 min11:5248 min16 May
Delhi23:56 → 21:3611:540 min11:5448 min16 May
Kolkata23:56 → 21:3611:090 min11:0948 min16 May
Singapore02:26 → 00:0612:370 min12:3748 min16 May
Sydney04:26 → 02:0611:280 min11:2848 min16 May
Suva06:26 → 04:0611:390 min11:3948 min16 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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