Ruling · Gaṅgotpatti (Ganga Saptami) · 2065

Tuesday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 290 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 Tuesday 12 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 Wednesday 13 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 06:45 on Tue 12 May to 07:01 on Wed 13 May.

    2065-05-11T22:44:43Z → 2065-05-12T23:01:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 12th, 11:51–12:39 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 17384 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2065: Tuesday 12 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2065 falls on Tuesday 12 May. Saptamī runs from 06:45 on Tue 12 May to 07:01 on Wed 13 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2065/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 May
Ahargaṇa, classicalDisc centre, no refractionTue 12 May
compat-drikpanchangComparison profileTue 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles15:45 → 16:0112:260 min12:2648 min12 May
Chicago17:45 → 18:0112:230 min12:2348 min12 May
Jersey City18:45 → 19:0112:290 min12:2948 min12 May
Port of Spain18:45 → 19:0111:390 min11:3948 min12 May
London23:45 → 00:0112:340 min12:3448 min12 May
Durban00:45 → 01:0111:280 min11:2848 min12 May
Dubai02:45 → 03:0111:510 min11:5148 min12 May
Delhi04:15 → 04:3111:540 min11:5448 min12 May
Kolkata04:15 → 04:3111:090 min11:0948 min12 May
Singapore06:45 → 07:0112:370 min12:3748 min12 May
Sydney08:45 → 09:0111:280 min11:2848 min12 May
Suva10:45 → 11:0111:390 min11:3948 min12 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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