Ruling · Akhaṇḍa Dvādaśī · 1955

Monday 26 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 580 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 Sunday 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

Midday of Monday 26 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 01:10 on Mon 26 Dec to 22:22 on Mon 26 Dec.

    1955-12-25T17:09:43Z → 1955-12-26T14:22:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 25th, 11:54–12:42 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 34795 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1955: Monday 26 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1955 falls on Monday 26 December. Dvādaśī runs from 01:10 on Mon 26 Dec to 22:22 on Mon 26 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1955/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 26 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 26 Dec
compat-drikpanchangComparison profileMon 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles09:10 → 06:2211:2948 min11:290 min25 Dec
Chicago11:10 → 08:2211:2748 min11:270 min25 Dec
Jersey City12:10 → 09:2211:3211 min11:330 min25 Dec
Port of Spain13:10 → 10:2211:420 min11:420 min26 Dec
London17:10 → 14:2211:360 min11:3748 min26 Dec
Durban19:10 → 16:2211:320 min11:3248 min26 Dec
Dubai21:10 → 18:2211:550 min11:5548 min26 Dec
Delhi22:40 → 19:5211:570 min11:5748 min26 Dec
Kolkata22:40 → 19:5211:120 min11:1348 min26 Dec
Singapore00:40 → 21:5212:100 min12:1148 min26 Dec
Sydney03:10 → 00:2211:310 min11:3148 min26 Dec
Suva05:10 → 02:2211:420 min11:4248 min26 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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