Ruling · Rukmiṇī Dvādaśī · 1988

Thursday 28 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 405 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 Thursday 28 April

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:52  13:40 madhyāhna ends
12:0412:2812:5213:1613:4014:0414:28

48 of 48 minutes covered

Midday of Friday 29 April

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:52  13:40 madhyāhna ends
12:0412:2812:5213:1613:4014:0414:28

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 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr.

    1988-04-27T19:09:01Z → 1988-04-28T21:07:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:52–13:40 on the 28th, 12:52–13:40 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 48 of 48 minutes on the 28th and 0 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 24281 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1988: Thursday 28 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1988 falls on Thursday 28 April. Dvādaśī runs from 04:09 on Thu 28 Apr to 06:07 on Fri 29 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1988/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 28 Apr
compat-drikpanchangComparison profileThu 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 Angeles12:09 → 14:0712:2748 min12:2748 min27 Apr
Chicago14:09 → 16:0712:250 min12:2448 min28 Apr
Jersey City15:09 → 17:0712:300 min12:3048 min28 Apr
Port of Spain15:09 → 17:0711:400 min11:4048 min28 Apr
London20:09 → 22:0712:350 min12:3448 min28 Apr
Durban21:09 → 23:0711:290 min11:2948 min28 Apr
Dubai23:09 → 01:0711:530 min11:5248 min28 Apr
Delhi00:39 → 02:3711:550 min11:5548 min28 Apr
Kolkata00:39 → 02:3711:100 min11:1048 min28 Apr
Singapore03:09 → 05:0712:380 min12:3848 min28 Apr
Sydney05:09 → 07:0711:290 min11:2848 min28 Apr
Suva07:09 → 09:0711:400 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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