Ruling · Akhaṇḍa Dvādaśī · 1936

Friday 25 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 463 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 Thursday 24 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 Friday 25 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 23:18 on Thu 24 Dec to 20:25 on Fri 25 Dec.

    1936-12-24T15:18:14Z → 1936-12-25T12:25:26Z

  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 0 of 48 minutes on the 24th and 48 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 27794 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1936: Friday 25 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1936 falls on Friday 25 December. Dvādaśī runs from 23:18 on Thu 24 Dec to 20:25 on Fri 25 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1936/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 25 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 25 Dec
compat-drikpanchangComparison profileFri 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles07:18 → 04:2511:2948 min11:290 min24 Dec
Chicago09:18 → 06:2511:2648 min11:270 min24 Dec
Jersey City10:18 → 07:2511:3248 min11:330 min24 Dec
Port of Spain11:18 → 08:2511:4248 min11:420 min24 Dec
London15:18 → 12:2511:360 min11:3748 min25 Dec
Durban17:18 → 14:2511:320 min11:3248 min25 Dec
Dubai19:18 → 16:2511:540 min11:5548 min25 Dec
Delhi20:48 → 17:5511:570 min11:5748 min25 Dec
Kolkata20:48 → 17:5511:120 min11:1348 min25 Dec
Singapore22:38 → 19:4512:000 min12:0148 min25 Dec
Sydney01:18 → 22:2511:310 min11:3148 min25 Dec
Suva03:18 → 00:2511:420 min11:4248 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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