Ruling · Akhaṇḍa Dvādaśī · 2005

Monday 12 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 654 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 12 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Midday of Tuesday 13 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 00:54 on Mon 12 Dec to 00:13 on Tue 13 Dec.

    2005-12-11T16:53:37Z → 2005-12-12T16:12:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 12th, 11:48–12:36 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 39248 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2005: Monday 12 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2005 falls on Monday 12 December. Dvādaśī runs from 00:54 on Mon 12 Dec to 00:13 on Tue 13 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 12 Dec
compat-drikpanchangComparison profileMon 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles08:54 → 08:1311:2248 min11:230 min11 Dec
Chicago10:54 → 10:1311:2048 min11:200 min11 Dec
Jersey City11:54 → 11:1311:2620 min11:260 min11 Dec
Port of Spain12:54 → 12:1311:350 min11:3637 min12 Dec
London16:54 → 16:1311:300 min11:3048 min12 Dec
Durban18:54 → 18:1311:250 min11:2648 min12 Dec
Dubai20:54 → 20:1311:480 min11:4848 min12 Dec
Delhi22:24 → 21:4311:500 min11:5148 min12 Dec
Kolkata22:24 → 21:4311:060 min11:0648 min12 Dec
Singapore00:54 → 00:1312:340 min12:3448 min12 Dec
Sydney03:54 → 03:1312:240 min12:2548 min12 Dec
Suva04:54 → 04:1311:350 min11:3648 min12 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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