Ruling · Akhaṇḍa Dvādaśī · 1967

Wednesday 13 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 585 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 Tuesday 12 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 of 48 minutes covered

Midday of Wednesday 13 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 22:21 on Tue 12 Dec to 01:03 on Thu 14 Dec.

    1967-12-12T14:20:31Z → 1967-12-13T17:03:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 12th, 11:48–12:36 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 35105 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1967: Wednesday 13 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1967 falls on Wednesday 13 December. Dvādaśī runs from 22:21 on Tue 12 Dec to 01:03 on Thu 14 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1967/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 13 Dec
compat-drikpanchangComparison profileWed 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles06:21 → 09:0311:2348 min11:230 min12 Dec
Chicago08:21 → 11:0311:2048 min11:210 min12 Dec
Jersey City09:21 → 12:0311:2648 min11:2637 min13 Dec
Port of Spain10:21 → 13:0311:3648 min11:3648 min13 Dec
London14:21 → 17:0311:300 min11:3048 min13 Dec
Durban16:21 → 19:0311:250 min11:2648 min13 Dec
Dubai18:21 → 21:0311:480 min11:4948 min13 Dec
Delhi19:51 → 22:3311:500 min11:5148 min13 Dec
Kolkata19:51 → 22:3311:060 min11:0648 min13 Dec
Singapore21:51 → 00:3312:040 min12:0448 min13 Dec
Sydney00:21 → 03:0311:250 min11:2548 min13 Dec
Suva02:21 → 05:0311:360 min11:3648 min13 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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