Ruling · Gaṅgotpatti (Ganga Saptami) · 1986

Friday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 422 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 15 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

0 of 48 minutes covered

Midday of Friday 16 May

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 20:41 on Thu 15 May to 21:43 on Fri 16 May.

    1986-05-15T11:40:42Z → 1986-05-16T12:43:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 15th, 12:51–13:39 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 25318 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1986: Friday 16 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1986 falls on Friday 16 May. Saptamī runs from 20:41 on Thu 15 May to 21:43 on Fri 16 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 16 May
Ahargaṇa, classicalDisc centre, no refractionFri 16 May
compat-drikpanchangComparison profileFri 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 Angeles04:41 → 05:4312:2548 min12:260 min15 May
Chicago06:41 → 07:4312:2348 min12:230 min15 May
Jersey City07:41 → 08:4312:2948 min12:290 min15 May
Port of Spain07:41 → 08:4311:3848 min11:380 min15 May
London12:41 → 13:4312:3341 min12:3348 min15 May
Durban13:41 → 14:4311:280 min11:2848 min16 May
Dubai15:41 → 16:4311:510 min11:5148 min16 May
Delhi17:11 → 18:1311:540 min11:5448 min16 May
Kolkata17:11 → 18:1311:090 min11:0948 min16 May
Singapore19:41 → 20:4312:370 min12:3748 min16 May
Sydney21:41 → 22:4311:270 min11:2748 min16 May
Suva23:41 → 00:4311:390 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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