Ruling · Rukmiṇī Dvādaśī · 1931

Wednesday 29 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 580 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 28 April

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Wednesday 29 April

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 01:20 on Wed 29 Apr to 22:20 on Wed 29 Apr.

    1931-04-28T17:20:27Z → 1931-04-29T14:20:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 34813 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1931: Wednesday 29 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1931 falls on Wednesday 29 April. Dvādaśī runs from 01:20 on Wed 29 Apr to 22:20 on Wed 29 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1931/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 29 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 29 Apr
compat-drikpanchangComparison profileWed 29 Apr
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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles09:20 → 06:2011:2748 min11:270 min28 Apr
Chicago12:20 → 09:2012:2448 min12:240 min28 Apr
Jersey City13:20 → 10:2012:300 min12:300 min29 Apr
Port of Spain13:20 → 10:2011:400 min11:400 min29 Apr
London18:20 → 15:2012:350 min12:3448 min29 Apr
Durban19:20 → 16:2011:290 min11:2948 min29 Apr
Dubai21:20 → 18:2011:530 min11:5248 min29 Apr
Delhi22:50 → 19:5011:550 min11:5548 min29 Apr
Kolkata22:50 → 19:5011:100 min11:1048 min29 Apr
Singapore00:20 → 21:2011:380 min11:3848 min29 Apr
Sydney03:20 → 00:2011:290 min11:2848 min29 Apr
Suva05:20 → 02:2011:400 min11:4048 min29 Apr
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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