Ruling · Akhaṇḍa Dvādaśī · 1922

Friday 1 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 53 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 Thursday 30 November

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

0 of 48 minutes covered

Midday of Friday 1 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 13:23 on Thu 30 Nov to 15:39 on Fri 1 Dec.

    1922-11-30T05:23:23Z → 1922-12-01T07:39:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 30th, 11:43–12:31 on the 1st.

    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 30th and 48 of 48 on the 1st.

    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 3175 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1922: Friday 1 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1922 falls on Friday 1 December. Dvādaśī runs from 13:23 on Thu 30 Nov to 15:39 on Fri 1 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1922/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 1 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 1 Dec
compat-drikpanchangComparison profileFri 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles21:23 → 23:3911:1848 min11:180 min30 Nov
Chicago23:23 → 01:3911:1548 min11:150 min30 Nov
Jersey City00:23 → 02:3911:2148 min11:210 min30 Nov
Port of Spain01:23 → 03:3911:3148 min11:310 min30 Nov
London05:23 → 07:3911:2548 min11:250 min30 Nov
Durban07:23 → 09:3911:2148 min11:210 min30 Nov
Dubai09:23 → 11:3911:4348 min11:440 min30 Nov
Delhi10:53 → 13:0911:4548 min11:4648 min1 Dec
Kolkata10:53 → 13:0911:0148 min11:0148 min1 Dec
Singapore12:23 → 14:3911:290 min11:2948 min1 Dec
Sydney15:23 → 17:3911:200 min11:2048 min1 Dec
Suva17:23 → 19:3911:310 min11:3148 min1 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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