Ruling · Rukmiṇī Dvādaśī · 2028

Friday 5 May

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 26 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 5 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
Dvādaśī begins 11:33:35
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Saturday 6 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 11:34 on Fri 5 May to 08:49 on Sat 6 May.

    2028-05-05T06:03:36Z → 2028-05-06T03:18:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 5th, 12:00–12:48 on the 6th.

    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 5th and 0 of 48 on the 6th.

    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 1568 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Ujjain, 2028: Friday 5 May.

    confidence: determinate

Say it like this

In Ujjain, Rukmiṇī Dvādaśī 2028 falls on Friday 5 May. Dvādaśī runs from 11:34 on Fri 5 May to 08:49 on Sat 6 May and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2028/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 May
Ahargaṇa, classicalDisc centre, no refractionFri 5 May
compat-drikpanchangComparison profileFri 5 May
No institution has a recorded ruling for Ujjain.

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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles23:04 → 20:1912:2648 min12:260 min5 May
Chicago01:04 → 22:1912:2448 min12:240 min5 May
Jersey City02:04 → 23:1912:2948 min12:290 min5 May
Port of Spain02:04 → 23:1911:3948 min11:390 min5 May
London07:04 → 04:1912:3448 min12:340 min5 May
Durban08:04 → 05:1911:2848 min11:280 min5 May
Dubai10:04 → 07:1911:5248 min11:520 min5 May
Delhi11:34 → 08:4911:5448 min11:540 min5 May
Kolkata11:34 → 08:4911:0924 min11:090 min5 May
Singapore14:04 → 11:1912:370 min12:370 min6 May
Sydney16:04 → 13:1911:280 min11:2848 min6 May
Suva18:04 → 15:1911:390 min11:3948 min6 May
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