Ruling · Rukmiṇī Dvādaśī · 1945

Wednesday 23 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 479 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 Wednesday 23 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

48 of 48 minutes covered

Midday of Thursday 24 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 02:28 on Wed 23 May to 04:52 on Thu 24 May.

    1945-05-22T17:28:11Z → 1945-05-23T19:51:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 23rd, 12:51–13:39 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 28756 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1945: Wednesday 23 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1945 falls on Wednesday 23 May. Dvādaśī runs from 02:28 on Wed 23 May to 04:52 on Thu 24 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1945/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 May
Ahargaṇa, classicalDisc centre, no refractionWed 23 May
compat-drikpanchangComparison profileWed 23 May
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/rukmini-dvadashi · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 102

“S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles10:28 → 12:5212:2648 min12:2626 min22 May
Chicago12:28 → 14:5212:2343 min12:2348 min22 May
Jersey City13:28 → 15:5212:290 min12:2948 min23 May
Port of Spain14:28 → 16:5212:390 min12:3948 min23 May
London19:28 → 21:5213:330 min13:3448 min23 May
Durban19:28 → 21:5211:280 min11:2848 min23 May
Dubai21:28 → 23:5211:510 min11:5148 min23 May
Delhi23:58 → 02:2212:540 min12:5448 min23 May
Kolkata23:58 → 02:2212:090 min12:0948 min23 May
Singapore02:28 → 04:5213:370 min13:3748 min23 May
Sydney03:28 → 05:5211:280 min11:2848 min23 May
Suva05:28 → 07:5211:390 min11:3948 min23 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rukmini-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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