Ruling · Gaṅgotpatti (Gaṅgā Saptamī) · 2026

Thursday 23 April

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 480 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 22 April

Saptamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:02  12:50 madhyāhna ends
11:1411:3812:0212:2612:5013:1413:38

0 of 48 minutes covered

Midday of Thursday 23 April

Taken. The only midday Saptamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 22:50 on Wed 22 Apr to 20:50 on Thu 23 Apr.

    2026-04-22T17:20:04Z → 2026-04-23T15:19:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 22nd, 12:01–12:49 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 28818 s

  5. 05

    Ruling

    Gaṅgotpatti, Ujjain, 2026: Thursday 23 April.

    confidence: determinate

Say it like this

In Ujjain, Gaṅgotpatti (Ganga Saptami) 2026 falls on Thursday 23 April. Saptamī runs from 22:50 on Wed 22 Apr to 20:50 on Thu 23 Apr and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2026/gangotpatti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 23 Apr
compat-drikpanchangComparison profileThu 23 Apr
No institution has a recorded ruling for Ujjain.

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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles10:20 → 08:2012:2848 min12:270 min22 Apr
Chicago12:20 → 10:2012:2548 min12:250 min22 Apr
Jersey City13:20 → 11:2012:310 min12:310 min23 Apr
Port of Spain13:20 → 11:2011:410 min11:400 min23 Apr
London18:20 → 16:2012:360 min12:3548 min23 Apr
Durban19:20 → 17:2011:300 min11:3048 min23 Apr
Dubai21:20 → 19:2011:530 min11:5348 min23 Apr
Delhi22:50 → 20:5011:560 min11:5648 min23 Apr
Kolkata22:50 → 20:5011:110 min11:1148 min23 Apr
Singapore01:20 → 23:2012:390 min12:3948 min23 Apr
Sydney03:20 → 01:2011:300 min11:2948 min23 Apr
Suva05:20 → 03:2011:410 min11:4148 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