Ruling · Akhaṇḍa Dvādaśī · 1911

Sunday 3 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 440 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 2 December

Dvādaśī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Sunday 3 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 21:40 on Sat 2 Dec to 19:52 on Sun 3 Dec.

    1911-12-02T13:40:22Z → 1911-12-03T11:51:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 26423 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1911: Sunday 3 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1911 falls on Sunday 3 December. Dvādaśī runs from 21:40 on Sat 2 Dec to 19:52 on Sun 3 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1911/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 3 Dec
compat-drikpanchangComparison profileSun 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles05:40 → 03:5211:1848 min11:190 min2 Dec
Chicago07:40 → 05:5211:1648 min11:160 min2 Dec
Jersey City08:40 → 06:5211:2148 min11:220 min2 Dec
Port of Spain09:40 → 07:5211:3148 min11:320 min2 Dec
London13:40 → 11:5211:260 min11:2626 min3 Dec
Durban15:40 → 13:5211:210 min11:2248 min3 Dec
Dubai17:21 → 15:3311:250 min11:2548 min3 Dec
Delhi19:10 → 17:2211:460 min11:4648 min3 Dec
Kolkata19:10 → 17:2211:020 min11:0248 min3 Dec
Singapore20:40 → 18:5211:300 min11:3048 min3 Dec
Sydney23:40 → 21:5211:200 min11:2148 min3 Dec
Suva01:35 → 23:4711:260 min11:2748 min3 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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