Ruling · Gaṅgotpatti (Ganga Saptami) · 2015

Saturday 25 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 324 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 Friday 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

Midday of Saturday 25 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

Saptamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 18:05 on Fri 24 Apr to 19:08 on Sat 25 Apr.

    2015-04-24T10:05:03Z → 2015-04-25T11:08:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 24th, 11:53–12:41 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 19459 s

  5. 05

    Ruling

    Gaṅgotpatti, Baoding, 2015: Saturday 25 April.

    confidence: determinate

Say it like this

In Baoding, Gaṅgotpatti (Ganga Saptami) 2015 falls on Saturday 25 April. Saptamī runs from 18:05 on Fri 24 Apr to 19:08 on Sat 25 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 25 Apr
compat-drikpanchangComparison profileSat 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles03:05 → 04:0812:2748 min12:270 min24 Apr
Chicago05:05 → 06:0812:2548 min12:250 min24 Apr
Jersey City06:05 → 07:0812:3148 min12:310 min24 Apr
Port of Spain06:05 → 07:0811:4048 min11:400 min24 Apr
London11:05 → 12:0812:3548 min12:350 min24 Apr
Durban12:05 → 13:0811:3013 min11:3048 min24 Apr
Dubai14:05 → 15:0811:530 min11:5348 min25 Apr
Delhi15:35 → 16:3811:560 min11:5548 min25 Apr
Kolkata15:35 → 16:3811:110 min11:1148 min25 Apr
Singapore18:05 → 19:0812:390 min12:3948 min25 Apr
Sydney20:05 → 21:0811:290 min11:2948 min25 Apr
Suva22:05 → 23:0811:400 min11:4048 min25 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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