Ruling · Gaṅgotpatti (Ganga Saptami) · 2039

Saturday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 134 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 Saturday 30 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Sunday 1 May

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 08:05 on Sat 30 Apr to 09:37 on Sun 1 May.

    2039-04-30T00:05:08Z → 2039-05-01T01:37:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

    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 30th and 0 of 48 on the 1st.

    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 8059 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2039: Saturday 30 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2039 falls on Saturday 30 April. Saptamī runs from 08:05 on Sat 30 Apr to 09:37 on Sun 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2039/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 30 Apr
compat-drikpanchangComparison profileSat 30 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles17:05 → 18:3712:2648 min12:260 min30 Apr
Chicago19:05 → 20:3712:2448 min12:240 min30 Apr
Jersey City20:05 → 21:3712:3048 min12:300 min30 Apr
Port of Spain20:05 → 21:3711:3948 min11:390 min30 Apr
London01:05 → 02:3712:3448 min12:340 min30 Apr
Durban02:05 → 03:3711:2948 min11:290 min30 Apr
Dubai04:05 → 05:3711:5248 min11:520 min30 Apr
Delhi05:35 → 07:0711:5548 min11:540 min30 Apr
Kolkata05:35 → 07:0711:1048 min11:100 min30 Apr
Singapore08:05 → 09:3712:3848 min12:380 min30 Apr
Sydney10:05 → 11:3711:2848 min11:289 min30 Apr
Suva12:05 → 13:3711:4022 min11:3948 min30 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

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