Ruling · Rukmiṇī Dvādaśī · 2091

Monday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 238 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 30 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

Midday of Tuesday 1 May

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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 07:54 on Mon 30 Apr to 04:46 on Tue 1 May.

    2091-04-29T23:53:43Z → 2091-04-30T20:46:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

    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 30th and 0 of 48 on the 1st.

    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 14302 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2091: Monday 30 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2091 falls on Monday 30 April. Dvādaśī runs from 07:54 on Mon 30 Apr to 04:46 on Tue 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2091/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 30 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 30 Apr
compat-drikpanchangComparison profileMon 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles16:54 → 13:4612:270 min12:2748 min30 Apr
Chicago18:54 → 15:4612:250 min12:2548 min30 Apr
Jersey City19:54 → 16:4612:300 min12:3048 min30 Apr
Port of Spain19:54 → 16:4611:400 min11:4048 min30 Apr
London00:54 → 21:4612:350 min12:3548 min30 Apr
Durban01:54 → 22:4611:290 min11:2948 min30 Apr
Dubai03:54 → 00:4611:530 min11:5348 min30 Apr
Delhi05:24 → 02:1611:550 min11:5548 min30 Apr
Kolkata05:24 → 02:1611:100 min11:1048 min30 Apr
Singapore07:54 → 04:4612:380 min12:3848 min30 Apr
Sydney09:54 → 06:4611:290 min11:2948 min30 Apr
Suva11:54 → 08:4611:400 min11:4034 min30 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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