Ruling · Rukmiṇī Dvādaśī · 1999

Tuesday 27 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 184 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 Monday 26 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 Tuesday 27 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 15:44 on Mon 26 Apr to 17:05 on Tue 27 Apr.

    1999-04-26T07:44:26Z → 1999-04-27T09:05:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 26th, 11:52–12:40 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 11043 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1999: Tuesday 27 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1999 falls on Tuesday 27 April. Dvādaśī runs from 15:44 on Mon 26 Apr to 17:05 on Tue 27 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1999/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 27 Apr
compat-drikpanchangComparison profileTue 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles00:44 → 02:0512:2748 min12:270 min26 Apr
Chicago02:44 → 04:0512:2548 min12:250 min26 Apr
Jersey City03:44 → 05:0512:3048 min12:300 min26 Apr
Port of Spain03:44 → 05:0511:4048 min11:400 min26 Apr
London08:44 → 10:0512:3548 min12:350 min26 Apr
Durban09:44 → 11:0511:3048 min11:290 min26 Apr
Dubai11:44 → 13:0511:5348 min11:5348 min26 Apr
Delhi13:14 → 14:3511:550 min11:5548 min27 Apr
Kolkata13:14 → 14:3511:110 min11:1048 min27 Apr
Singapore15:44 → 17:0512:390 min12:3848 min27 Apr
Sydney17:44 → 19:0511:290 min11:2948 min27 Apr
Suva19:44 → 21:0511:400 min11:4048 min27 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

About Ahargaṇa