Ruling · Akhaṇḍa Dvādaśī · 1958

Monday 22 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 267 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 Monday 22 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Tuesday 23 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 05:01 on Mon 22 Dec to 07:26 on Tue 23 Dec.

    1958-12-21T21:00:37Z → 1958-12-22T23:26:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 22nd, 11:53–12:41 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 16014 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1958: Monday 22 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1958 falls on Monday 22 December. Dvādaśī runs from 05:01 on Mon 22 Dec to 07:26 on Tue 23 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1958/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Dec
Ahargaṇa, classicalDisc centre, no refractionMon 22 Dec
compat-drikpanchangComparison profileMon 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles13:01 → 15:2611:270 min11:2848 min22 Dec
Chicago15:01 → 17:2611:250 min11:2548 min22 Dec
Jersey City16:01 → 18:2611:300 min11:3148 min22 Dec
Port of Spain17:01 → 19:2611:400 min11:4148 min22 Dec
London21:01 → 23:2611:340 min11:3548 min22 Dec
Durban23:01 → 01:2611:300 min11:3048 min22 Dec
Dubai01:01 → 03:2611:530 min11:5348 min22 Dec
Delhi02:31 → 04:5611:550 min11:5548 min22 Dec
Kolkata02:31 → 04:5611:100 min11:1148 min22 Dec
Singapore04:31 → 06:5612:080 min12:0948 min22 Dec
Sydney07:01 → 09:2611:290 min11:2948 min22 Dec
Suva09:01 → 11:2611:400 min11:4148 min22 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