Ruling · Rukmiṇī Dvādaśī · 2019

Thursday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 27 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 Wednesday 15 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī begins 13:05:51
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Thursday 16 May

Taken. Dvādaśī reaches neither midday; the rule takes the second day.

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 13:06 on Wed 15 May to 10:46 on Thu 16 May.

    2019-05-15T05:05:51Z → 2019-05-16T02:45:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 on the 16th.

    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 15th and 0 of 48 on the 16th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 1624 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2019: Thursday 16 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2019 falls on Thursday 16 May. Dvādaśī runs from 13:06 on Wed 15 May to 10:46 on Thu 16 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2019/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 16 May
Ahargaṇa, classicalDisc centre, no refractionThu 16 May
compat-drikpanchangComparison profileWed 15 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles22:06 → 19:4612:2648 min12:260 min15 May
Chicago00:06 → 21:4612:2348 min12:230 min15 May
Jersey City01:06 → 22:4612:2948 min12:290 min15 May
Port of Spain01:06 → 22:4611:3948 min11:390 min15 May
London06:06 → 03:4612:3348 min12:330 min15 May
Durban07:06 → 04:4611:2848 min11:280 min15 May
Dubai09:06 → 06:4611:5148 min11:510 min15 May
Delhi10:36 → 08:1611:5448 min11:540 min15 May
Kolkata10:36 → 08:1611:0948 min11:090 min15 May
Singapore13:06 → 10:4612:3719 min12:370 min15 May
Sydney15:06 → 12:4611:270 min11:2748 min16 May
Suva17:06 → 14:4611:390 min11:3948 min16 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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