Ruling · Rukmiṇī Dvādaśī · 1912

Sunday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 469 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 Saturday 27 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 Sunday 28 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 21:55 on Sat 27 Apr to 20:29 on Sun 28 Apr.

    1912-04-27T13:54:49Z → 1912-04-28T12:28:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 27th, 11:52–12:40 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 28119 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1912: Sunday 28 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1912 falls on Sunday 28 April. Dvādaśī runs from 21:55 on Sat 27 Apr to 20:29 on Sun 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1912/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 28 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 28 Apr
compat-drikpanchangComparison profileSun 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles05:55 → 04:2911:2748 min11:270 min27 Apr
Chicago07:55 → 06:2911:2548 min11:240 min27 Apr
Jersey City08:55 → 07:2911:3048 min11:300 min27 Apr
Port of Spain09:55 → 08:2911:4048 min11:400 min27 Apr
London13:55 → 12:2911:350 min11:3548 min28 Apr
Durban15:55 → 14:2911:290 min11:2948 min28 Apr
Dubai17:36 → 16:1011:340 min11:3348 min28 Apr
Delhi19:25 → 17:5911:550 min11:5548 min28 Apr
Kolkata19:25 → 17:5911:100 min11:1048 min28 Apr
Singapore20:55 → 19:2911:380 min11:3848 min28 Apr
Sydney23:55 → 22:2911:290 min11:2848 min28 Apr
Suva01:50 → 00:2411:350 min11:3548 min28 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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