Ruling · Akhaṇḍa Dvādaśī · 1923

Wednesday 19 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 162 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 Wednesday 19 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Thursday 20 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 06:35 on Wed 19 Dec to 09:10 on Thu 20 Dec.

    1923-12-18T22:34:37Z → 1923-12-20T01:09:42Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 9694 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1923: Wednesday 19 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1923 falls on Wednesday 19 December. Dvādaśī runs from 06:35 on Wed 19 Dec to 09:10 on Thu 20 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1923/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 19 Dec
compat-drikpanchangComparison profileWed 19 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 18thCoveredMadhyāhna 20thCoveredRuled
Los Angeles14:35 → 17:1011:250 min11:260 min19 Dec
Chicago16:35 → 19:1011:230 min11:240 min19 Dec
Jersey City17:35 → 20:1011:290 min11:300 min19 Dec
Port of Spain18:35 → 21:1011:380 min11:390 min19 Dec
London22:35 → 01:1011:330 min11:340 min19 Dec
Durban00:35 → 03:1011:280 min11:290 min19 Dec
Dubai02:35 → 05:1011:510 min11:520 min19 Dec
Delhi04:05 → 06:4011:530 min11:540 min19 Dec
Kolkata04:05 → 06:4011:090 min11:100 min19 Dec
Singapore05:35 → 08:1011:370 min11:380 min19 Dec
Sydney08:35 → 11:1011:270 min11:280 min19 Dec
Suva10:35 → 13:1011:380 min11:3948 min20 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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