Ruling · Akhaṇḍa Dvādaśī · 1939

Saturday 23 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 632 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 Friday 22 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Saturday 23 December

Taken. The only midday Dvādaśī reaches.

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

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 23:12 on Fri 22 Dec to 23:22 on Sat 23 Dec.

    1939-12-22T15:12:03Z → 1939-12-23T15:21:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 22nd, 11:53–12:41 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 37906 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1939: Saturday 23 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1939 falls on Saturday 23 December. Dvādaśī runs from 23:12 on Fri 22 Dec to 23:22 on Sat 23 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 23 Dec
compat-drikpanchangComparison profileSat 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles07:12 → 07:2211:2748 min11:280 min22 Dec
Chicago09:12 → 09:2211:2548 min11:260 min22 Dec
Jersey City10:12 → 10:2211:3148 min11:310 min22 Dec
Port of Spain11:12 → 11:2211:4048 min11:410 min22 Dec
London15:12 → 15:2211:350 min11:3548 min23 Dec
Durban17:12 → 17:2211:300 min11:3148 min23 Dec
Dubai19:12 → 19:2211:530 min11:5348 min23 Dec
Delhi20:42 → 20:5211:550 min11:5648 min23 Dec
Kolkata20:42 → 20:5211:110 min11:1148 min23 Dec
Singapore22:32 → 22:4211:590 min11:5948 min23 Dec
Sydney01:12 → 01:2211:290 min11:3048 min23 Dec
Suva03:12 → 03:2211:400 min11:4148 min23 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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