Ruling · Akhaṇḍa Dvādaśī · 1949

Friday 2 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 121 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 1 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Friday 2 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 Thu 1 Dec to 17:12 on Fri 2 Dec.

    1949-12-01T06:31:55Z → 1949-12-02T09:12:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 7260 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1949: Friday 2 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1949 falls on Friday 2 December. Dvādaśī runs from 14:32 on Thu 1 Dec to 17:12 on Fri 2 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1949/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 2 Dec
compat-drikpanchangComparison profileFri 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles22:32 → 01:1211:1848 min11:180 min1 Dec
Chicago00:32 → 03:1211:1648 min11:160 min1 Dec
Jersey City01:32 → 04:1211:2148 min11:220 min1 Dec
Port of Spain02:32 → 05:1211:3148 min11:320 min1 Dec
London06:32 → 09:1211:2548 min11:260 min1 Dec
Durban08:32 → 11:1211:2148 min11:210 min1 Dec
Dubai10:32 → 13:1211:4448 min11:4448 min2 Dec
Delhi12:02 → 14:4211:4632 min11:4648 min2 Dec
Kolkata12:02 → 14:4211:010 min11:0248 min2 Dec
Singapore14:02 → 16:4212:000 min12:0048 min2 Dec
Sydney16:32 → 19:1211:200 min11:2148 min2 Dec
Suva18:32 → 21:1211:310 min11:3248 min2 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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