Ruling · Akhaṇḍa Dvādaśī · 2087

Sunday 7 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 285 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 6 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Sunday 7 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

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 20:17 on Sat 6 Dec to 17:18 on Sun 7 Dec.

    2087-12-06T12:17:09Z → 2087-12-07T09:18:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 6th, 11:46–12:34 on the 7th.

    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 6th and 48 of 48 on the 7th.

    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 17082 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2087: Sunday 7 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2087 falls on Sunday 7 December. Dvādaśī runs from 20:17 on Sat 6 Dec to 17:18 on Sun 7 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 7 Dec
compat-drikpanchangComparison profileSun 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles04:17 → 01:1811:2048 min11:210 min6 Dec
Chicago06:17 → 03:1811:1848 min11:180 min6 Dec
Jersey City07:17 → 04:1811:2448 min11:240 min6 Dec
Port of Spain08:17 → 05:1811:3348 min11:340 min6 Dec
London12:17 → 09:1811:280 min11:280 min7 Dec
Durban14:17 → 11:1811:230 min11:240 min7 Dec
Dubai16:17 → 13:1811:460 min11:4648 min7 Dec
Delhi17:47 → 14:4811:480 min11:4948 min7 Dec
Kolkata17:47 → 14:4811:040 min11:0448 min7 Dec
Singapore20:17 → 17:1812:320 min12:3248 min7 Dec
Sydney23:17 → 20:1812:220 min12:2348 min7 Dec
Suva00:17 → 21:1811:330 min11:3448 min7 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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