Ruling · Akhaṇḍa Dvādaśī · 1942

Saturday 19 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 152 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 18 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:50  13:38 madhyāhna ends
12:0212:2612:5013:1413:3814:0214:26

0 of 48 minutes covered

Midday of Saturday 19 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 16:11 on Fri 18 Dec to 17:41 on Sat 19 Dec.

    1942-12-18T07:10:40Z → 1942-12-19T08:40:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:50–13:38 on the 18th, 12:51–13:39 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 9136 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1942: Saturday 19 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1942 falls on Saturday 19 December. Dvādaśī runs from 16:11 on Fri 18 Dec to 17:41 on Sat 19 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 19 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 19 Dec
compat-drikpanchangComparison profileSat 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 19thCoveredRuled
Los Angeles00:11 → 01:4112:2648 min12:260 min18 Dec
Chicago02:11 → 03:4112:2348 min12:240 min18 Dec
Jersey City03:11 → 04:4112:2948 min12:290 min18 Dec
Port of Spain04:11 → 05:4112:3948 min12:390 min18 Dec
London08:11 → 09:4112:3348 min12:330 min18 Dec
Durban10:11 → 11:4112:2848 min12:290 min18 Dec
Dubai11:11 → 12:4111:5148 min11:5248 min19 Dec
Delhi13:41 → 15:1112:531 min12:5448 min19 Dec
Kolkata13:41 → 15:1112:090 min12:0948 min19 Dec
Singapore16:11 → 17:4113:370 min13:3748 min19 Dec
Sydney18:11 → 19:4112:270 min12:2848 min19 Dec
Suva19:11 → 20:4111:390 min11:3948 min19 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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