Ruling · Dāmodara Dvādaśī · 2025

Wednesday 6 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

Decide it for

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 5 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:09  12:57 madhyāhna ends
Dvādaśī begins 13:12:53
11:2111:4512:0912:3312:5713:2113:45

0 of 48 minutes covered

Midday of Wednesday 6 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:09  12:57 madhyāhna ends
11:2111:4512:0912:3312:5713:2113:45

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 13:13 on Tue 5 Aug to 14:09 on Wed 6 Aug.

    2025-08-05T07:42:53Z → 2025-08-06T08:38:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 5th, 12:09–12:57 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 966 s

  5. 05

    Ruling

    Dāmodara Dvādaśī, Ujjain, 2025: Wednesday 6 August.

    confidence: determinate

Say it like this

In Ujjain, Dāmodara Dvādaśī 2025 falls on Wednesday 6 August. Dvādaśī runs from 13:13 on Tue 5 Aug to 14:09 on Wed 6 Aug and covers all of madhyāhna that midday.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 6 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 6 Aug
compat-drikpanchangComparison profileTue 5 Aug
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/damodara-dvadashi · ruleset 2026.3-draft

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

“S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles00:43 → 01:3912:3548 min12:350 min5 Aug
Chicago02:43 → 03:3912:3248 min12:320 min5 Aug
Jersey City03:43 → 04:3912:3848 min12:380 min5 Aug
Port of Spain03:43 → 04:3911:4848 min11:480 min5 Aug
London08:43 → 09:3912:4248 min12:420 min5 Aug
Durban09:43 → 10:3911:3848 min11:380 min5 Aug
Dubai11:43 → 12:3912:0148 min12:0138 min5 Aug
Delhi13:13 → 14:0912:030 min12:0348 min6 Aug
Kolkata13:13 → 14:0911:180 min11:1848 min6 Aug
Singapore15:43 → 16:3912:470 min12:4748 min6 Aug
Sydney17:43 → 18:3911:370 min11:3748 min6 Aug
Suva19:43 → 20:3911:480 min11:4848 min6 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
damodara-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s