Ruling · Akhaṇḍa Dvādaśī · 2086

Tuesday 17 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 574 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 Tuesday 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 Wednesday 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 02:16 on Tue 17 Dec to 23:38 on Tue 17 Dec.

    2086-12-16T18:16:00Z → 2086-12-17T15:38:15Z

  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 34464 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2086: Tuesday 17 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2086 falls on Tuesday 17 December. Dvādaśī runs from 02:16 on Tue 17 Dec to 23:38 on Tue 17 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2086/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 17 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 17 Dec
compat-drikpanchangComparison profileTue 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 Angeles10:16 → 07:3811:2548 min11:260 min16 Dec
Chicago12:16 → 09:3811:230 min11:230 min17 Dec
Jersey City13:16 → 10:3811:280 min11:290 min17 Dec
Port of Spain14:16 → 11:3811:380 min11:390 min17 Dec
London18:16 → 15:3811:320 min11:3348 min17 Dec
Durban20:16 → 17:3811:280 min11:2848 min17 Dec
Dubai22:16 → 19:3811:510 min11:5148 min17 Dec
Delhi23:46 → 21:0811:530 min11:5348 min17 Dec
Kolkata23:46 → 21:0811:080 min11:0948 min17 Dec
Singapore02:16 → 23:3812:360 min12:3748 min17 Dec
Sydney05:16 → 02:3812:270 min12:2748 min17 Dec
Suva06:16 → 03:3811:380 min11:3948 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

About Ahargaṇa