Ruling · Akhaṇḍa Dvādaśī · 2025

Tuesday 2 December

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 197 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 1 December

Dvādaśī 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

Midday of Tuesday 2 December

Taken. The only midday Dvādaśī reaches.

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

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 19:02 on Mon 1 Dec to 15:58 on Tue 2 Dec.

    2025-12-01T13:31:39Z → 2025-12-02T10:27:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 11846 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Ujjain, 2025: Tuesday 2 December.

    confidence: determinate

Say it like this

In Ujjain, Akhaṇḍa Dvādaśī 2025 falls on Tuesday 2 December. Dvādaśī runs from 19:02 on Mon 1 Dec to 15:58 on Tue 2 Dec and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2025/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 2 Dec
compat-drikpanchangComparison profileTue 2 Dec
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/akhanda-dvadashi · ruleset 2026.3-draft

Month
Mārgaśīrṣa, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles05:32 → 02:2811:1848 min11:180 min1 Dec
Chicago07:32 → 04:2811:1648 min11:160 min1 Dec
Jersey City08:32 → 05:2811:2148 min11:220 min1 Dec
Port of Spain09:32 → 06:2811:3148 min11:320 min1 Dec
London13:32 → 10:2811:250 min11:260 min2 Dec
Durban15:32 → 12:2811:210 min11:2148 min2 Dec
Dubai17:32 → 14:2811:440 min11:4448 min2 Dec
Delhi19:02 → 15:5811:460 min11:4648 min2 Dec
Kolkata19:02 → 15:5811:010 min11:0248 min2 Dec
Singapore21:32 → 18:2812:300 min12:3048 min2 Dec
Sydney00:32 → 21:2812:200 min12:2148 min2 Dec
Suva01:32 → 22:2811:310 min11:3248 min2 Dec
Profile · tradition
pac-rp@2026.1 · smarta
Rule
akhanda-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s