Ruling · Gaṅgotpatti (Ganga Saptami) · 2073

Sunday 14 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 184 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 Saturday 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

Midday of Sunday 14 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 16:48 on Sat 13 May to 15:43 on Sun 14 May.

    2073-05-13T08:48:08Z → 2073-05-14T07:43:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 13th, 11:51–12:39 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 11062 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2073: Sunday 14 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2073 falls on Sunday 14 May. Saptamī runs from 16:48 on Sat 13 May to 15:43 on Sun 14 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2073/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 May
Ahargaṇa, classicalDisc centre, no refractionSun 14 May
compat-drikpanchangComparison profileSun 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles01:48 → 00:4312:2648 min12:260 min13 May
Chicago03:48 → 02:4312:2348 min12:230 min13 May
Jersey City04:48 → 03:4312:2948 min12:290 min13 May
Port of Spain04:48 → 03:4311:3948 min11:390 min13 May
London09:48 → 08:4312:3448 min12:340 min13 May
Durban10:48 → 09:4311:2848 min11:280 min13 May
Dubai12:48 → 11:4311:510 min11:510 min14 May
Delhi14:18 → 13:1311:540 min11:5448 min14 May
Kolkata14:18 → 13:1311:090 min11:0948 min14 May
Singapore16:48 → 15:4312:370 min12:3748 min14 May
Sydney18:48 → 17:4311:280 min11:2848 min14 May
Suva20:48 → 19:4311:390 min11:3948 min14 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

About Ahargaṇa