Ruling · Gaṅgotpatti (Ganga Saptami) · 1972

Friday 19 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 501 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 18 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

Midday of Friday 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

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 21:02 on Thu 18 May to 21:00 on Fri 19 May.

    1972-05-18T13:01:46Z → 1972-05-19T12:59:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:51–12:39 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 30065 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1972: Friday 19 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1972 falls on Friday 19 May. Saptamī runs from 21:02 on Thu 18 May to 21:00 on Fri 19 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1972/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 May
Ahargaṇa, classicalDisc centre, no refractionFri 19 May
compat-drikpanchangComparison profileFri 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 19thCoveredRuled
Los Angeles06:02 → 06:0012:2648 min12:260 min18 May
Chicago08:02 → 08:0012:2348 min12:230 min18 May
Jersey City09:02 → 09:0012:2948 min12:290 min18 May
Port of Spain09:02 → 09:0011:3948 min11:390 min18 May
London14:02 → 14:0012:330 min12:3348 min19 May
Durban15:02 → 15:0011:280 min11:2848 min19 May
Dubai17:02 → 17:0011:510 min11:5148 min19 May
Delhi18:32 → 18:3011:540 min11:5448 min19 May
Kolkata18:32 → 18:3011:090 min11:0948 min19 May
Singapore20:32 → 20:3012:070 min12:0748 min19 May
Sydney23:02 → 23:0011:270 min11:2748 min19 May
Suva01:02 → 01:0011:390 min11:3948 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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