Ruling · Rukmiṇī Dvādaśī · 2070

Wednesday 21 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 557 minutes.

Decide it for

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 21 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 Thursday 22 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 00:42 on Wed 21 May to 02:34 on Thu 22 May.

    2070-05-20T16:41:52Z → 2070-05-21T18:34:04Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 21st, 11:51–12:39 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 33435 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2070: Wednesday 21 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2070 falls on Wednesday 21 May. Dvādaśī runs from 00:42 on Wed 21 May to 02:34 on Thu 22 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2070/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 21 May
Ahargaṇa, classicalDisc centre, no refractionWed 21 May
compat-drikpanchangComparison profileWed 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles09:42 → 11:3412:2648 min12:260 min20 May
Chicago11:42 → 13:3412:2448 min12:2448 min20 May
Jersey City12:42 → 14:3412:2936 min12:2948 min20 May
Port of Spain12:42 → 14:3411:390 min11:3948 min21 May
London17:42 → 19:3412:340 min12:3448 min21 May
Durban18:42 → 20:3411:290 min11:2948 min21 May
Dubai20:42 → 22:3411:520 min11:5248 min21 May
Delhi22:12 → 00:0411:540 min11:5448 min21 May
Kolkata22:12 → 00:0411:090 min11:1048 min21 May
Singapore00:42 → 02:3412:370 min12:3748 min21 May
Sydney02:42 → 04:3411:280 min11:2848 min21 May
Suva04:42 → 06:3411:390 min11:3948 min21 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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