Ruling · Akhaṇḍa Dvādaśī · 2071

Friday 4 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 503 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 Thursday 3 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

0 of 48 minutes covered

Midday of Friday 4 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

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 21:29 on Thu 3 Dec to 20:56 on Fri 4 Dec.

    2071-12-03T13:29:06Z → 2071-12-04T12:55:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 3rd, 11:44–12:32 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 30198 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2071: Friday 4 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2071 falls on Friday 4 December. Dvādaśī runs from 21:29 on Thu 3 Dec to 20:56 on Fri 4 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2071/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 4 Dec
compat-drikpanchangComparison profileFri 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles05:29 → 04:5611:1948 min11:190 min3 Dec
Chicago07:29 → 06:5611:1648 min11:170 min3 Dec
Jersey City08:29 → 07:5611:2248 min11:230 min3 Dec
Port of Spain09:29 → 08:5611:3248 min11:320 min3 Dec
London13:29 → 12:5611:260 min11:2748 min4 Dec
Durban15:29 → 14:5611:220 min11:2248 min4 Dec
Dubai17:29 → 16:5611:450 min11:4548 min4 Dec
Delhi18:59 → 18:2611:470 min11:4748 min4 Dec
Kolkata18:59 → 18:2611:020 min11:0348 min4 Dec
Singapore21:29 → 20:5612:300 min12:3148 min4 Dec
Sydney00:29 → 23:5612:210 min12:2148 min4 Dec
Suva01:29 → 00:5611:320 min11:3248 min4 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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