Ruling · Akhaṇḍa Dvādaśī · 1930

Tuesday 2 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 76 minutes.

Decide it for

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 Tuesday 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

Midday of Wednesday 3 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 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 09:39 on Tue 2 Dec to 10:27 on Wed 3 Dec.

    1930-12-02T01:38:50Z → 1930-12-03T02:27:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:44–12:32 on the 3rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    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 4565 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1930: Tuesday 2 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1930 falls on Tuesday 2 December. Dvādaśī runs from 09:39 on Tue 2 Dec to 10:27 on Wed 3 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1930/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 2 Dec
compat-drikpanchangComparison profileTue 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles17:39 → 18:2711:1848 min11:190 min2 Dec
Chicago19:39 → 20:2711:1648 min11:160 min2 Dec
Jersey City20:39 → 21:2711:2248 min11:220 min2 Dec
Port of Spain21:39 → 22:2711:3148 min11:320 min2 Dec
London01:39 → 02:2711:2648 min11:260 min2 Dec
Durban03:39 → 04:2711:2148 min11:220 min2 Dec
Dubai05:39 → 06:2711:4448 min11:440 min2 Dec
Delhi07:09 → 07:5711:4648 min11:470 min2 Dec
Kolkata07:09 → 07:5711:0248 min11:020 min2 Dec
Singapore08:39 → 09:2711:3048 min11:300 min2 Dec
Sydney11:39 → 12:2711:2030 min11:2148 min3 Dec
Suva13:39 → 14:2711:310 min11:3248 min3 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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