Ruling · Gaṅgotpatti (Ganga Saptami) · 1934

Sunday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 95 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 Sunday 20 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 Monday 21 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 07:51 on Sun 20 May to 10:16 on Mon 21 May.

    1934-05-19T23:50:57Z → 1934-05-21T02:15:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 5690 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 1934: Sunday 20 May.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 1934 falls on Sunday 20 May. Saptamī runs from 07:51 on Sun 20 May to 10:16 on Mon 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1934/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 May
Ahargaṇa, classicalDisc centre, no refractionSun 20 May
compat-drikpanchangComparison profileSun 20 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 19thCoveredMadhyāhna 21stCoveredRuled
Los Angeles15:51 → 18:1611:260 min11:260 min20 May
Chicago18:51 → 21:1612:230 min12:230 min20 May
Jersey City19:51 → 22:1612:290 min12:290 min20 May
Port of Spain19:51 → 22:1611:380 min11:390 min20 May
London00:51 → 03:1612:330 min12:330 min20 May
Durban01:51 → 04:1611:280 min11:280 min20 May
Dubai03:51 → 06:1611:510 min11:510 min20 May
Delhi05:21 → 07:4611:540 min11:540 min20 May
Kolkata05:21 → 07:4611:090 min11:090 min20 May
Singapore07:11 → 09:3611:570 min11:570 min20 May
Sydney09:51 → 12:1611:270 min11:2748 min20 May
Suva11:51 → 14:1611:390 min11:3948 min20 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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