Ruling · Akhaṇḍa Dvādaśī · 2077

Sunday 26 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 571 minutes.

Decide it for

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 Sunday 26 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Monday 27 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 02:23 on Sun 26 Dec to 00:13 on Mon 27 Dec.

    2077-12-25T18:23:30Z → 2077-12-26T16:12:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 26th, 11:55–12:43 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 34289 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 2077: Sunday 26 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 2077 falls on Sunday 26 December. Dvādaśī runs from 02:23 on Sun 26 Dec to 00:13 on Mon 27 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2077/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Dec
Ahargaṇa, classicalDisc centre, no refractionSun 26 Dec
compat-drikpanchangComparison profileSun 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles10:23 → 08:1311:3048 min11:300 min25 Dec
Chicago12:23 → 10:1311:270 min11:280 min26 Dec
Jersey City13:23 → 11:1311:330 min11:330 min26 Dec
Port of Spain14:23 → 12:1311:430 min11:4330 min26 Dec
London18:23 → 16:1311:370 min11:3848 min26 Dec
Durban20:23 → 18:1311:320 min11:3348 min26 Dec
Dubai22:23 → 20:1311:550 min11:5648 min26 Dec
Delhi23:53 → 21:4311:570 min11:5848 min26 Dec
Kolkata23:53 → 21:4311:130 min11:1348 min26 Dec
Singapore02:23 → 00:1312:410 min12:4148 min26 Dec
Sydney05:23 → 03:1312:310 min12:3248 min26 Dec
Suva06:23 → 04:1311:420 min11:4348 min26 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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