Ruling · Akhaṇḍa Dvādaśī · 1970

Wednesday 9 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 109 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 9 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

Midday of Thursday 10 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 09:58 on Wed 9 Dec to 08:18 on Thu 10 Dec.

    1970-12-09T01:57:39Z → 1970-12-10T00:17:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:47–12:35 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 6512 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1970: Wednesday 9 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1970 falls on Wednesday 9 December. Dvādaśī runs from 09:58 on Wed 9 Dec to 08:18 on Thu 10 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1970/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Dec
Ahargaṇa, classicalDisc centre, no refractionWed 9 Dec
compat-drikpanchangComparison profileWed 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles17:58 → 16:1811:2148 min11:220 min9 Dec
Chicago19:58 → 18:1811:1948 min11:190 min9 Dec
Jersey City20:58 → 19:1811:2548 min11:250 min9 Dec
Port of Spain21:58 → 20:1811:3448 min11:350 min9 Dec
London02:58 → 01:1812:2948 min12:290 min9 Dec
Durban03:58 → 02:1811:2448 min11:250 min9 Dec
Dubai05:58 → 04:1811:4748 min11:470 min9 Dec
Delhi07:28 → 05:4811:4948 min11:500 min9 Dec
Kolkata07:28 → 05:4811:0548 min11:050 min9 Dec
Singapore09:28 → 07:4812:0348 min12:030 min9 Dec
Sydney11:58 → 10:1811:2314 min11:240 min9 Dec
Suva13:58 → 12:1811:340 min11:3543 min10 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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