Ruling · Akhaṇḍa Dvādaśī · 1947

Thursday 25 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 15 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 24 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Thursday 25 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
Dvādaśī ends 12:56:27
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 14:32 on Wed 24 Dec to 12:56 on Thu 25 Dec.

    1947-12-24T06:31:37Z → 1947-12-25T04:56:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 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 878 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1947: Thursday 25 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1947 falls on Thursday 25 December. Dvādaśī runs from 14:32 on Wed 24 Dec to 12:56 on Thu 25 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1947/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 25 Dec
compat-drikpanchangComparison profileThu 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 Angeles22:32 → 20:5611:2848 min11:290 min24 Dec
Chicago00:32 → 22:5611:2648 min11:270 min24 Dec
Jersey City01:32 → 23:5611:3248 min11:320 min24 Dec
Port of Spain02:32 → 00:5611:4148 min11:420 min24 Dec
London06:32 → 04:5611:3648 min11:360 min24 Dec
Durban08:32 → 06:5611:3148 min11:320 min24 Dec
Dubai10:32 → 08:5611:5448 min11:550 min24 Dec
Delhi12:02 → 10:2611:5643 min11:570 min24 Dec
Kolkata12:02 → 10:2611:120 min11:120 min25 Dec
Singapore14:02 → 12:2612:100 min12:1016 min25 Dec
Sydney16:32 → 14:5611:300 min11:3148 min25 Dec
Suva18:32 → 16:5611:410 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

About Ahargaṇa