Ruling · Rukmiṇī Dvādaśī · 1926

Monday 24 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 478 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 Sunday 23 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Monday 24 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 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 20:36 on Sun 23 May to 21:20 on Mon 24 May.

    1926-05-23T12:36:26Z → 1926-05-24T13:19:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 23rd, 11:51–12:39 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 0 of 48 minutes on the 23rd and 48 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 28651 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1926: Monday 24 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1926 falls on Monday 24 May. Dvādaśī runs from 20:36 on Sun 23 May to 21:20 on Mon 24 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1926/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 24 May
Ahargaṇa, classicalDisc centre, no refractionMon 24 May
compat-drikpanchangComparison profileMon 24 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles04:36 → 05:2011:2648 min11:260 min23 May
Chicago07:36 → 08:2012:2348 min12:240 min23 May
Jersey City08:36 → 09:2012:2948 min12:290 min23 May
Port of Spain08:36 → 09:2011:3948 min11:390 min23 May
London13:36 → 14:2012:330 min12:3448 min24 May
Durban14:36 → 15:2011:280 min11:2848 min24 May
Dubai16:36 → 17:2011:510 min11:5148 min24 May
Delhi18:06 → 18:5011:540 min11:5448 min24 May
Kolkata18:06 → 18:5011:090 min11:0948 min24 May
Singapore19:36 → 20:2011:370 min11:3748 min24 May
Sydney22:36 → 23:2011:280 min11:2848 min24 May
Suva00:36 → 01:2011:390 min11:3948 min24 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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