Ruling · Gaṅgotpatti (Ganga Saptami) · 2005

Sunday 15 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 482 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 15 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 16 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 01:25 on Sun 15 May to 03:48 on Mon 16 May.

    2005-05-14T17:25:13Z → 2005-05-15T19:48:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 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 48 of 48 minutes on the 15th and 0 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 28939 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2005: Sunday 15 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2005 falls on Sunday 15 May. Saptamī runs from 01:25 on Sun 15 May to 03:48 on Mon 16 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 15 May
Ahargaṇa, classicalDisc centre, no refractionSun 15 May
compat-drikpanchangComparison profileSun 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles10:25 → 12:4812:2648 min12:2623 min14 May
Chicago12:25 → 14:4812:2346 min12:2348 min14 May
Jersey City13:25 → 15:4812:290 min12:2948 min15 May
Port of Spain13:25 → 15:4811:380 min11:3848 min15 May
London18:25 → 20:4812:330 min12:3348 min15 May
Durban19:25 → 21:4811:280 min11:2848 min15 May
Dubai21:25 → 23:4811:510 min11:5148 min15 May
Delhi22:55 → 01:1811:540 min11:5448 min15 May
Kolkata22:55 → 01:1811:090 min11:0948 min15 May
Singapore01:25 → 03:4812:370 min12:3748 min15 May
Sydney03:25 → 05:4811:270 min11:2748 min15 May
Suva05:25 → 07:4811:390 min11:3948 min15 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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