Ruling · Akhaṇḍa Dvādaśī · 2009

Sunday 29 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 519 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 Saturday 28 November

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

0 of 48 minutes covered

Midday of Sunday 29 November

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

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 21:44 on Sat 28 Nov to 21:09 on Sun 29 Nov.

    2009-11-28T13:43:49Z → 2009-11-29T13:08:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 28th, 11:42–12:30 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 31112 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2009: Sunday 29 November.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2009 falls on Sunday 29 November. Dvādaśī runs from 21:44 on Sat 28 Nov to 21:09 on Sun 29 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2009/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 29 Nov
compat-drikpanchangComparison profileSun 29 Nov
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles05:44 → 05:0911:1748 min11:170 min28 Nov
Chicago07:44 → 07:0911:1548 min11:150 min28 Nov
Jersey City08:44 → 08:0911:2048 min11:210 min28 Nov
Port of Spain09:44 → 09:0911:3048 min11:300 min28 Nov
London13:44 → 13:0911:240 min11:2548 min29 Nov
Durban15:44 → 15:0911:200 min11:2048 min29 Nov
Dubai17:44 → 17:0911:430 min11:4348 min29 Nov
Delhi19:14 → 18:3911:450 min11:4548 min29 Nov
Kolkata19:14 → 18:3911:000 min11:0148 min29 Nov
Singapore21:44 → 21:0912:290 min12:2948 min29 Nov
Sydney00:44 → 00:0912:190 min12:2048 min29 Nov
Suva01:44 → 02:0911:300 min12:3148 min29 Nov
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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