Ruling · Gaṅgotpatti (Ganga Saptami) · 1912

Tuesday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 218 minutes.

Decide it for

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 23 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Wednesday 24 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 08:14 on Tue 23 Apr to 05:55 on Wed 24 Apr.

    1912-04-23T00:14:28Z → 1912-04-23T21:55:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:53–12:41 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 13104 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1912: Tuesday 23 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1912 falls on Tuesday 23 April. Saptamī runs from 08:14 on Tue 23 Apr to 05:55 on Wed 24 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 23 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 23 Apr
compat-drikpanchangComparison profileTue 23 Apr
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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles16:14 → 13:5511:2848 min11:270 min23 Apr
Chicago18:14 → 15:5511:2548 min11:250 min23 Apr
Jersey City19:14 → 16:5511:3148 min11:310 min23 Apr
Port of Spain20:14 → 17:5511:4048 min11:400 min23 Apr
London00:14 → 21:5511:3548 min11:350 min23 Apr
Durban02:14 → 23:5511:3048 min11:300 min23 Apr
Dubai03:55 → 01:3611:3448 min11:340 min23 Apr
Delhi05:44 → 03:2511:5648 min11:550 min23 Apr
Kolkata05:44 → 03:2511:1148 min11:110 min23 Apr
Singapore07:14 → 04:5511:3948 min11:390 min23 Apr
Sydney10:14 → 07:5511:2948 min11:290 min23 Apr
Suva12:09 → 09:5011:3614 min11:350 min23 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
gangotpatti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa