Ruling · Gaṇeśa Caturthī (Vināyaka Caturthī) · 2026

Monday 14 September

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 253 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 Monday 14 September

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Tuesday 15 September

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 07:07 on Mon 14 Sep to 07:45 on Tue 15 Sep.

    2026-09-14T01:37:28Z → 2026-09-15T02:14:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 14th, 11:58–12:46 on the 15th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 15197 s

  5. 05

    Ruling

    Gaṇeśa Caturthī, Ujjain, 2026: Monday 14 September.

    confidence: determinate

Say it like this

In Ujjain, Gaṇeśa Caturthī 2026 falls on Monday 14 September. Caturthī runs from 07:07 on Mon 14 Sep to 07:45 on Tue 15 Sep and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 14 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 14 Sep
compat-drikpanchangComparison profileMon 14 Sep
Rashtriya PanchangPrincipal festivals, 2026-27Mon 14 Sep

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/ganesha-chaturthi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles18:37 → 19:1512:2448 min12:240 min14 Sep
Chicago20:37 → 21:1512:2248 min12:210 min14 Sep
Jersey City21:37 → 22:1512:2748 min12:270 min14 Sep
Port of Spain21:37 → 22:1511:3848 min11:370 min14 Sep
London02:37 → 03:1512:3248 min12:310 min14 Sep
Durban03:37 → 04:1511:2848 min11:270 min14 Sep
Dubai05:37 → 06:1511:5048 min11:500 min14 Sep
Delhi07:07 → 07:4511:5348 min11:520 min14 Sep
Kolkata07:07 → 07:4511:0848 min11:080 min14 Sep
Singapore09:37 → 10:1512:3648 min12:360 min14 Sep
Sydney11:37 → 12:1511:2738 min11:2748 min14 Sep
Suva13:37 → 14:1511:380 min11:3848 min15 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ganesha-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s