Ruling · Akhaṇḍa Dvādaśī · 2040

Saturday 15 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 244 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 14 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Midday of Saturday 15 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 16:41 on Fri 14 Dec to 16:57 on Sat 15 Dec.

    2040-12-14T08:40:34Z → 2040-12-15T08:56:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.

    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 14th and 48 of 48 on the 15th.

    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 14621 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2040: Saturday 15 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2040 falls on Saturday 15 December. Dvādaśī runs from 16:41 on Fri 14 Dec to 16:57 on Sat 15 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2040/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 15 Dec
Ahargaṇa, classicalDisc centre, no refractionSat 15 Dec
compat-drikpanchangComparison profileSat 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles00:41 → 00:5711:2448 min11:250 min14 Dec
Chicago02:41 → 02:5711:2248 min11:220 min14 Dec
Jersey City03:41 → 03:5711:2748 min11:280 min14 Dec
Port of Spain04:41 → 04:5711:3748 min11:380 min14 Dec
London08:41 → 08:5711:3148 min11:320 min14 Dec
Durban10:41 → 10:5711:2748 min11:270 min14 Dec
Dubai12:41 → 12:5711:500 min11:5048 min15 Dec
Delhi14:11 → 14:2711:520 min11:5248 min15 Dec
Kolkata14:11 → 14:2711:070 min11:0848 min15 Dec
Singapore16:41 → 16:5712:350 min12:3648 min15 Dec
Sydney19:41 → 19:5712:260 min12:2648 min15 Dec
Suva20:41 → 20:5711:370 min11:3748 min15 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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