Ruling · Rukmiṇī Dvādaśī · 2064

Monday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 470 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 Sunday 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 Monday 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 23:40 on Sun 27 Apr to 20:30 on Mon 28 Apr.

    2064-04-27T15:40:24Z → 2064-04-28T12:30:06Z

  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 28203 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2064: Monday 28 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2064 falls on Monday 28 April. Dvādaśī runs from 23:40 on Sun 27 Apr to 20:30 on Mon 28 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2064/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 28 Apr
compat-drikpanchangComparison profileMon 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 Angeles08:40 → 05:3012:2748 min12:270 min27 Apr
Chicago10:40 → 07:3012:2548 min12:240 min27 Apr
Jersey City11:40 → 08:3012:3048 min12:300 min27 Apr
Port of Spain11:40 → 08:3011:4047 min11:400 min27 Apr
London16:40 → 13:3012:350 min12:3548 min28 Apr
Durban17:40 → 14:3011:290 min11:2948 min28 Apr
Dubai19:40 → 16:3011:530 min11:5248 min28 Apr
Delhi21:10 → 18:0011:550 min11:5548 min28 Apr
Kolkata21:10 → 18:0011:100 min11:1048 min28 Apr
Singapore23:40 → 20:3012:380 min12:3848 min28 Apr
Sydney01:40 → 22:3011:290 min11:2948 min28 Apr
Suva03:40 → 00:3011:400 min11:4048 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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