Ruling · Akhaṇḍa Dvādaśī · 1972

Sunday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 249 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 Sunday 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 Monday 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 07:41 on Sun 17 Dec to 04:30 on Mon 18 Dec.

    1972-12-16T23:41:27Z → 1972-12-17T20:29:46Z

  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 14927 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1972: Sunday 17 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1972 falls on Sunday 17 December. Dvādaśī runs from 07:41 on Sun 17 Dec to 04:30 on Mon 18 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1972/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 17 Dec
compat-drikpanchangComparison profileSun 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 Angeles15:41 → 12:3011:250 min11:2548 min17 Dec
Chicago17:41 → 14:3011:220 min11:2348 min17 Dec
Jersey City18:41 → 15:3011:280 min11:2948 min17 Dec
Port of Spain19:41 → 16:3011:380 min11:3848 min17 Dec
London23:41 → 20:3011:320 min11:3348 min17 Dec
Durban01:41 → 22:3011:280 min11:2848 min17 Dec
Dubai03:41 → 00:3011:500 min11:5148 min17 Dec
Delhi05:11 → 02:0011:530 min11:5348 min17 Dec
Kolkata05:11 → 02:0011:080 min11:0948 min17 Dec
Singapore07:11 → 04:0012:060 min12:0748 min17 Dec
Sydney10:41 → 07:3012:270 min12:2748 min17 Dec
Suva11:41 → 08:3011:380 min11:3845 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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