Ruling · Rukmiṇī Dvādaśī · 2087

Wednesday 14 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 78 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 13 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 Wednesday 14 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 13:57 on Tue 13 May to 16:19 on Wed 14 May.

    2087-05-13T05:57:03Z → 2087-05-14T08:19:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 13th, 11:51–12:39 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 4675 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2087: Wednesday 14 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2087 falls on Wednesday 14 May. Dvādaśī runs from 13:57 on Tue 13 May to 16:19 on Wed 14 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 14 May
Ahargaṇa, classicalDisc centre, no refractionWed 14 May
compat-drikpanchangComparison profileWed 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles22:57 → 01:1912:2648 min12:260 min13 May
Chicago00:57 → 03:1912:2448 min12:240 min13 May
Jersey City01:57 → 04:1912:2948 min12:290 min13 May
Port of Spain01:57 → 04:1911:3948 min11:390 min13 May
London06:57 → 09:1912:3448 min12:340 min13 May
Durban07:57 → 10:1911:2848 min11:280 min13 May
Dubai09:57 → 12:1911:5248 min11:5228 min13 May
Delhi11:27 → 13:4911:5448 min11:5448 min13 May
Kolkata11:27 → 13:4911:0930 min11:0948 min13 May
Singapore13:57 → 16:1912:370 min12:3748 min14 May
Sydney15:57 → 18:1911:280 min11:2848 min14 May
Suva17:57 → 20:1911:390 min11:3948 min14 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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