Ruling · Akhaṇḍa Dvādaśī · 1903

Tuesday 1 December

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 280 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 Tuesday 1 December

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

48 of 48 minutes covered

Midday of Wednesday 2 December

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 07:02 on Tue 1 Dec to 06:55 on Wed 2 Dec.

    1903-11-30T23:02:14Z → 1903-12-01T22:55:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 16828 s

  5. 05

    Ruling

    Akhaṇḍa Dvādaśī, Baoding, 1903: Tuesday 1 December.

    confidence: determinate

Say it like this

In Baoding, Akhaṇḍa Dvādaśī 1903 falls on Tuesday 1 December. Dvādaśī runs from 07:02 on Tue 1 Dec to 06:55 on Wed 2 Dec and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/akhanda-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Dec
Ahargaṇa, classicalDisc centre, no refractionTue 1 Dec
compat-drikpanchangComparison profileTue 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles15:02 → 14:5511:170 min11:1848 min1 Dec
Chicago17:02 → 16:5511:150 min11:1548 min1 Dec
Jersey City18:02 → 17:5511:210 min11:2148 min1 Dec
Port of Spain19:02 → 18:5511:310 min11:3148 min1 Dec
London23:02 → 22:5511:250 min11:2548 min1 Dec
Durban01:02 → 00:5511:200 min11:2148 min1 Dec
Dubai02:43 → 02:3611:240 min11:2448 min1 Dec
Delhi04:23 → 04:1611:360 min11:3748 min1 Dec
Kolkata04:23 → 04:1610:520 min10:5248 min1 Dec
Singapore05:57 → 05:5011:240 min11:2448 min1 Dec
Sydney09:02 → 08:5511:200 min11:2048 min1 Dec
Suva10:57 → 10:5011:260 min11:2648 min1 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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