Ruling · Vāmana Jayantī · 2026

Wednesday 23 September

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 540 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 Tuesday 22 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

Midday of Wednesday 23 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 21:44 on Tue 22 Sep to 22:51 on Wed 23 Sep.

    2026-09-22T16:13:47Z → 2026-09-23T17:21:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 22nd, 11:55–12:43 on the 23rd.

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

  3. 03

    Rule

    Dvādaśī 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. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 32416 s

  5. 05

    Ruling

    Vāmana Jayantī, Ujjain, 2026: Wednesday 23 September.

    confidence: determinate

Say it like this

In Ujjain, Vāmana Jayantī 2026 falls on Wednesday 23 September. Dvādaśī runs from 21:44 on Tue 22 Sep to 22:51 on Wed 23 Sep and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 23 Sep
compat-drikpanchangComparison profileWed 23 Sep
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/vamana-jayanti · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles09:14 → 10:2112:2148 min12:210 min22 Sep
Chicago11:14 → 12:2112:1948 min12:192 min22 Sep
Jersey City12:14 → 13:2112:2548 min12:2448 min22 Sep
Port of Spain12:14 → 13:2111:359 min11:3448 min23 Sep
London17:14 → 18:2112:290 min12:2848 min23 Sep
Durban18:14 → 19:2111:250 min11:2548 min23 Sep
Dubai20:14 → 21:2111:470 min11:4748 min23 Sep
Delhi21:44 → 22:5111:500 min11:4948 min23 Sep
Kolkata21:44 → 22:5111:050 min11:0548 min23 Sep
Singapore00:14 → 01:2112:330 min12:3348 min23 Sep
Sydney02:14 → 03:2111:240 min11:2448 min23 Sep
Suva04:14 → 05:2111:350 min11:3548 min23 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vamana-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s