Ruling · Akhaṇḍa Dvādaśī · 2020

Saturday 26 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 307 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 Saturday 26 December

Taken. The only midday Dvādaśī reaches.

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

48 of 48 minutes covered

Midday of Sunday 27 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 04:25 on Sat 26 Dec to 06:49 on Sun 27 Dec.

    2020-12-25T20:24:44Z → 2020-12-26T22:48:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 26th, 11:55–12:43 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 18390 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2020: Saturday 26 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2020 falls on Saturday 26 December. Dvādaśī runs from 04:25 on Sat 26 Dec to 06:49 on Sun 27 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 26 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 26 Dec
compat-drikpanchangComparison profileSat 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 Angeles12:25 → 14:4911:290 min11:3048 min26 Dec
Chicago14:25 → 16:4911:270 min11:2848 min26 Dec
Jersey City15:25 → 17:4911:330 min11:3348 min26 Dec
Port of Spain16:25 → 18:4911:420 min11:4348 min26 Dec
London20:25 → 22:4911:370 min11:3748 min26 Dec
Durban22:25 → 00:4911:320 min11:3348 min26 Dec
Dubai00:25 → 02:4911:550 min11:5548 min26 Dec
Delhi01:55 → 04:1911:570 min11:5848 min26 Dec
Kolkata01:55 → 04:1911:130 min11:1348 min26 Dec
Singapore04:25 → 06:4912:410 min12:4148 min26 Dec
Sydney07:25 → 09:4912:310 min12:3248 min26 Dec
Suva09:25 → 11:4912:420 min12:4348 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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