Ruling · Akhaṇḍa Dvādaśī · 1985

Monday 23 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 176 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 Monday 23 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

48 of 48 minutes covered

Midday of Tuesday 24 December

Dvādaśī is absent from madhyāhna. Not taken.

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

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 06:12 on Mon 23 Dec to 08:57 on Tue 24 Dec.

    1985-12-22T22:12:30Z → 1985-12-24T00:57:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 23rd, 11:54–12:42 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 10586 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1985: Monday 23 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1985 falls on Monday 23 December. Dvādaśī runs from 06:12 on Mon 23 Dec to 08:57 on Tue 24 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1985/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 23 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 23 Dec
compat-drikpanchangComparison profileMon 23 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 22ndCoveredMadhyāhna 24thCoveredRuled
Los Angeles14:12 → 16:5711:280 min11:290 min23 Dec
Chicago16:12 → 18:5711:250 min11:260 min23 Dec
Jersey City17:12 → 19:5711:310 min11:320 min23 Dec
Port of Spain18:12 → 20:5711:410 min11:420 min23 Dec
London22:12 → 00:5711:350 min11:360 min23 Dec
Durban00:12 → 02:5711:300 min11:310 min23 Dec
Dubai02:12 → 04:5711:530 min11:540 min23 Dec
Delhi03:42 → 06:2711:560 min11:570 min23 Dec
Kolkata03:42 → 06:2711:110 min11:120 min23 Dec
Singapore06:12 → 08:5712:390 min12:400 min23 Dec
Sydney09:12 → 11:5712:300 min12:310 min23 Dec
Suva10:12 → 12:5711:410 min11:4248 min24 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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