Ruling · Rukmiṇī Dvādaśī · 1989

Wednesday 17 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 347 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 Tuesday 16 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

Midday of Wednesday 17 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 19:26 on Tue 16 May to 21:53 on Wed 17 May.

    1989-05-16T10:25:47Z → 1989-05-17T12:53:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 16th, 12:51–13:39 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 20823 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1989: Wednesday 17 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1989 falls on Wednesday 17 May. Dvādaśī runs from 19:26 on Tue 16 May to 21:53 on Wed 17 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1989/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 17 May
Ahargaṇa, classicalDisc centre, no refractionWed 17 May
compat-drikpanchangComparison profileWed 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles03:26 → 05:5312:2648 min12:260 min16 May
Chicago05:26 → 07:5312:2348 min12:230 min16 May
Jersey City06:26 → 08:5312:2948 min12:290 min16 May
Port of Spain06:26 → 08:5311:3848 min11:380 min16 May
London11:26 → 13:5312:3348 min12:3348 min16 May
Durban12:26 → 14:5311:280 min11:2848 min17 May
Dubai14:26 → 16:5311:510 min11:5148 min17 May
Delhi15:56 → 18:2311:540 min11:5448 min17 May
Kolkata15:56 → 18:2311:090 min11:0948 min17 May
Singapore18:26 → 20:5312:370 min12:3748 min17 May
Sydney20:26 → 22:5311:270 min11:2748 min17 May
Suva22:26 → 00:5311:390 min11:3948 min17 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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