Ruling · Akhaṇḍa Dvādaśī · 1919

Thursday 4 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 244 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 Thursday 4 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

48 of 48 minutes covered

Midday of Friday 5 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:44  12:32 madhyāhna ends
10:5611:2011:4412:0812:3212:5613:20

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 07:40 on Thu 4 Dec to 04:46 on Fri 5 Dec.

    1919-12-03T23:39:53Z → 1919-12-04T20:46:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 4th, 11:44–12:32 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 14640 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1919: Thursday 4 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1919 falls on Thursday 4 December. Dvādaśī runs from 07:40 on Thu 4 Dec to 04:46 on Fri 5 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1919/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Dec
Ahargaṇa, classicalDisc centre, no refractionThu 4 Dec
compat-drikpanchangComparison profileThu 4 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles15:40 → 12:4611:190 min11:1948 min4 Dec
Chicago17:40 → 14:4611:160 min11:1748 min4 Dec
Jersey City18:40 → 15:4611:220 min11:2248 min4 Dec
Port of Spain19:40 → 16:4611:320 min11:3248 min4 Dec
London23:40 → 20:4611:260 min11:2648 min4 Dec
Durban01:40 → 22:4611:220 min11:2248 min4 Dec
Dubai03:21 → 00:2711:250 min11:2648 min4 Dec
Delhi05:10 → 02:1611:460 min11:4748 min4 Dec
Kolkata05:10 → 02:1611:020 min11:0248 min4 Dec
Singapore06:40 → 03:4611:300 min11:3048 min4 Dec
Sydney09:40 → 06:4611:210 min11:2148 min4 Dec
Suva11:40 → 08:4611:320 min11:3240 min4 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