Ruling · Akhaṇḍa Dvādaśī · 1974

Thursday 26 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 329 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 Wednesday 25 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

Midday of Thursday 26 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 18:58 on Wed 25 Dec to 18:11 on Thu 26 Dec.

    1974-12-25T10:58:23Z → 1974-12-26T10:11:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 25th, 11:54–12:42 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 0 of 48 minutes on the 25th and 48 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 19736 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1974: Thursday 26 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1974 falls on Thursday 26 December. Dvādaśī runs from 18:58 on Wed 25 Dec to 18:11 on Thu 26 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1974/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 26 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 26 Dec
compat-drikpanchangComparison profileThu 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles02:58 → 02:1111:2948 min11:300 min25 Dec
Chicago04:58 → 04:1111:2748 min11:270 min25 Dec
Jersey City05:58 → 05:1111:3248 min11:330 min25 Dec
Port of Spain06:58 → 06:1111:4248 min11:430 min25 Dec
London10:58 → 10:1111:3748 min11:370 min25 Dec
Durban12:58 → 12:1111:320 min11:3239 min26 Dec
Dubai14:58 → 14:1111:550 min11:5548 min26 Dec
Delhi16:28 → 15:4111:570 min11:5748 min26 Dec
Kolkata16:28 → 15:4111:120 min11:1348 min26 Dec
Singapore18:28 → 17:4112:100 min12:1148 min26 Dec
Sydney21:58 → 21:1112:310 min12:3148 min26 Dec
Suva22:58 → 22:1111:420 min11:4348 min26 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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