Ruling · Akhaṇḍa Dvādaśī · 2091

Saturday 22 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 548 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 Friday 21 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Saturday 22 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 21:48 on Fri 21 Dec to 00:18 on Sun 23 Dec.

    2091-12-21T13:48:29Z → 2091-12-22T16:17:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 32890 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2091: Saturday 22 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2091 falls on Saturday 22 December. Dvādaśī runs from 21:48 on Fri 21 Dec to 00:18 on Sun 23 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 22 Dec
compat-drikpanchangComparison profileSat 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles05:48 → 08:1811:2748 min11:280 min21 Dec
Chicago07:48 → 10:1811:2548 min11:260 min21 Dec
Jersey City08:48 → 11:1811:3148 min11:310 min21 Dec
Port of Spain09:48 → 12:1811:4048 min11:4137 min22 Dec
London13:48 → 16:1811:350 min11:3548 min22 Dec
Durban15:48 → 18:1811:300 min11:3148 min22 Dec
Dubai17:48 → 20:1811:530 min11:5448 min22 Dec
Delhi19:18 → 21:4811:550 min11:5648 min22 Dec
Kolkata19:18 → 21:4811:110 min11:1148 min22 Dec
Singapore21:48 → 00:1812:390 min12:3948 min22 Dec
Sydney00:48 → 03:1812:290 min12:3048 min22 Dec
Suva01:48 → 04:1811:400 min11:4148 min22 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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