Ruling · Akhaṇḍa Dvādaśī · 1993

Saturday 25 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 412 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 Saturday 25 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Sunday 26 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 03:12 on Sat 25 Dec to 05:03 on Sun 26 Dec.

    1993-12-24T19:11:40Z → 1993-12-25T21:03:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 25th, 11:55–12:43 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 24694 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1993: Saturday 25 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1993 falls on Saturday 25 December. Dvādaśī runs from 03:12 on Sat 25 Dec to 05:03 on Sun 26 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1993/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 25 Dec
compat-drikpanchangComparison profileSat 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles11:12 → 13:0311:2948 min11:2948 min25 Dec
Chicago13:12 → 15:0311:260 min11:2748 min25 Dec
Jersey City14:12 → 16:0311:320 min11:3348 min25 Dec
Port of Spain15:12 → 17:0311:420 min11:4248 min25 Dec
London19:12 → 21:0311:360 min11:3748 min25 Dec
Durban21:12 → 23:0311:310 min11:3248 min25 Dec
Dubai23:12 → 01:0311:540 min11:5548 min25 Dec
Delhi00:42 → 02:3311:570 min11:5748 min25 Dec
Kolkata00:42 → 02:3311:120 min11:1348 min25 Dec
Singapore03:12 → 05:0312:400 min12:4148 min25 Dec
Sydney06:12 → 08:0312:310 min12:3148 min25 Dec
Suva07:12 → 09:0311:420 min11:4248 min25 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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