Ruling · Akhaṇḍa Dvādaśī · 2012

Monday 24 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 81 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Monday 24 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Tuesday 25 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 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 07:49 on Mon 24 Dec to 10:33 on Tue 25 Dec.

    2012-12-23T23:49:29Z → 2012-12-25T02:32:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 24th, 11:54–12:42 on the 25th.

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

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.

    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 4881 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2012: Monday 24 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2012 falls on Monday 24 December. Dvādaśī runs from 07:49 on Mon 24 Dec to 10:33 on Tue 25 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2012/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 24 Dec
compat-drikpanchangComparison profileMon 24 Dec
No institution has a recorded ruling for Baoding.

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 23rdCoveredMadhyāhna 25thCoveredRuled
Los Angeles15:49 → 18:3311:280 min11:290 min24 Dec
Chicago17:49 → 20:3311:260 min11:270 min24 Dec
Jersey City18:49 → 21:3311:320 min11:330 min24 Dec
Port of Spain19:49 → 22:3311:410 min11:420 min24 Dec
London23:49 → 02:3311:360 min11:370 min24 Dec
Durban01:49 → 04:3311:310 min11:320 min24 Dec
Dubai03:49 → 06:3311:540 min11:550 min24 Dec
Delhi05:19 → 08:0311:560 min11:570 min24 Dec
Kolkata05:19 → 08:0311:120 min11:130 min24 Dec
Singapore07:49 → 10:3312:400 min12:410 min24 Dec
Sydney10:49 → 13:3312:300 min12:3148 min25 Dec
Suva12:49 → 15:3312:410 min12:4248 min25 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

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