Ruling · Rukmiṇī Dvādaśī · 2054

Monday 18 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 506 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 18 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

Midday of Tuesday 19 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 03:25 on Mon 18 May to 01:56 on Tue 19 May.

    2054-05-17T19:25:28Z → 2054-05-18T17:56:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:51–12:39 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 30330 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2054: Monday 18 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2054 falls on Monday 18 May. Dvādaśī runs from 03:25 on Mon 18 May to 01:56 on Tue 19 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2054/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 18 May
Ahargaṇa, classicalDisc centre, no refractionMon 18 May
compat-drikpanchangComparison profileMon 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles12:25 → 10:5612:2648 min12:260 min17 May
Chicago14:25 → 12:5612:230 min12:2333 min18 May
Jersey City15:25 → 13:5612:290 min12:2948 min18 May
Port of Spain15:25 → 13:5611:390 min11:3948 min18 May
London20:25 → 18:5612:340 min12:3448 min18 May
Durban21:25 → 19:5611:280 min11:2848 min18 May
Dubai23:25 → 21:5611:510 min11:5148 min18 May
Delhi00:55 → 23:2611:540 min11:5448 min18 May
Kolkata00:55 → 23:2611:090 min11:0948 min18 May
Singapore03:25 → 01:5612:370 min12:3748 min18 May
Sydney05:25 → 03:5611:280 min11:2848 min18 May
Suva07:25 → 05:5611:390 min11:3948 min18 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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