Ruling · Akhaṇḍa Dvādaśī · 1986

Friday 12 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 222 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 12 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

48 of 48 minutes covered

Midday of Saturday 13 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:48  12:36 madhyāhna ends
11:0011:2411:4812:1212:3613:0013:24

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 06:16 on Fri 12 Dec to 08:06 on Sat 13 Dec.

    1986-12-11T22:16:11Z → 1986-12-13T00:06:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 12th, 11:48–12:36 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 13308 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1986: Friday 12 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1986 falls on Friday 12 December. Dvādaśī runs from 06:16 on Fri 12 Dec to 08:06 on Sat 13 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1986/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Dec
Ahargaṇa, classicalDisc centre, no refractionFri 12 Dec
compat-drikpanchangComparison profileFri 12 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 11thCoveredMadhyāhna 13thCoveredRuled
Los Angeles14:16 → 16:0611:220 min11:230 min12 Dec
Chicago16:16 → 18:0611:200 min11:210 min12 Dec
Jersey City17:16 → 19:0611:250 min11:260 min12 Dec
Port of Spain18:16 → 20:0611:350 min11:360 min12 Dec
London22:16 → 00:0611:300 min11:310 min12 Dec
Durban00:16 → 02:0611:250 min11:260 min12 Dec
Dubai02:16 → 04:0611:480 min11:490 min12 Dec
Delhi03:46 → 05:3611:500 min11:510 min12 Dec
Kolkata03:46 → 05:3611:060 min11:060 min12 Dec
Singapore06:16 → 08:0612:340 min12:350 min12 Dec
Sydney09:16 → 11:0612:240 min12:250 min12 Dec
Suva10:16 → 12:0611:350 min11:3630 min13 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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