Ruling · Akhaṇḍa Dvādaśī · 1938

Sunday 4 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 558 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 Sunday 4 December

Taken. The only midday Dvādaśī reaches.

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

48 of 48 minutes covered

Midday of Monday 5 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 02:26 on Sun 4 Dec to 01:23 on Mon 5 Dec.

    1938-12-03T18:25:59Z → 1938-12-04T17:23:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 4th, 11:44–12:32 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 33480 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1938: Sunday 4 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1938 falls on Sunday 4 December. Dvādaśī runs from 02:26 on Sun 4 Dec to 01:23 on Mon 5 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1938/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 4 Dec
compat-drikpanchangComparison profileSun 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles10:26 → 09:2311:1948 min11:190 min3 Dec
Chicago12:26 → 11:2311:160 min11:177 min4 Dec
Jersey City13:26 → 12:2311:220 min11:2248 min4 Dec
Port of Spain14:26 → 13:2311:320 min11:3248 min4 Dec
London18:26 → 17:2311:260 min11:2648 min4 Dec
Durban20:26 → 19:2311:220 min11:2248 min4 Dec
Dubai22:26 → 21:2311:440 min11:4548 min4 Dec
Delhi23:56 → 22:5311:470 min11:4748 min4 Dec
Kolkata23:56 → 22:5311:020 min11:0248 min4 Dec
Singapore01:46 → 00:4311:500 min11:5148 min4 Dec
Sydney04:26 → 03:2311:210 min11:2148 min4 Dec
Suva06:26 → 05:2311:320 min11:3248 min4 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