Ruling · Akhaṇḍa Dvādaśī · 1953

Thursday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 447 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 17 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Friday 18 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 04:23 on Thu 17 Dec to 01:54 on Fri 18 Dec.

    1953-12-16T20:22:43Z → 1953-12-17T17:54:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 17th, 11:51–12:39 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 26841 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1953: Thursday 17 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1953 falls on Thursday 17 December. Dvādaśī runs from 04:23 on Thu 17 Dec to 01:54 on Fri 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1953/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 17 Dec
compat-drikpanchangComparison profileThu 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles12:23 → 09:5411:250 min11:250 min17 Dec
Chicago14:23 → 11:5411:220 min11:2331 min17 Dec
Jersey City15:23 → 12:5411:280 min11:2848 min17 Dec
Port of Spain16:23 → 13:5411:380 min11:3848 min17 Dec
London20:23 → 17:5411:320 min11:3348 min17 Dec
Durban22:23 → 19:5411:280 min11:2848 min17 Dec
Dubai00:23 → 21:5411:500 min11:5148 min17 Dec
Delhi01:53 → 23:2411:530 min11:5348 min17 Dec
Kolkata01:53 → 23:2411:080 min11:0948 min17 Dec
Singapore03:53 → 01:2412:060 min12:0748 min17 Dec
Sydney06:23 → 03:5411:270 min11:2748 min17 Dec
Suva08:23 → 05:5411:380 min11:3848 min17 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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