Ruling · Gaṅgotpatti (Ganga Saptami) · 1973

Tuesday 8 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 79 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 8 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 9 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 10:32 on Tue 8 May to 08:47 on Wed 9 May.

    1973-05-08T02:31:34Z → 1973-05-09T00:46:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 8th, 11:51–12:39 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 4761 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1973: Tuesday 8 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1973 falls on Tuesday 8 May. Saptamī runs from 10:32 on Tue 8 May to 08:47 on Wed 9 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 May
Ahargaṇa, classicalDisc centre, no refractionTue 8 May
compat-drikpanchangComparison profileTue 8 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles19:32 → 17:4712:2648 min12:260 min8 May
Chicago21:32 → 19:4712:2348 min12:230 min8 May
Jersey City22:32 → 20:4712:2948 min12:290 min8 May
Port of Spain22:32 → 20:4711:3948 min11:390 min8 May
London03:32 → 01:4712:3348 min12:330 min8 May
Durban04:32 → 02:4711:2848 min11:280 min8 May
Dubai06:32 → 04:4711:5148 min11:510 min8 May
Delhi08:02 → 06:1711:5448 min11:540 min8 May
Kolkata08:02 → 06:1711:0948 min11:090 min8 May
Singapore10:02 → 08:1712:0748 min12:070 min8 May
Sydney12:32 → 10:4711:270 min11:270 min9 May
Suva14:32 → 12:4711:390 min11:3948 min9 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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