Ruling · Rukmiṇī Dvādaśī · 1994

Sunday 22 May

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 589 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Sunday 22 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:13  12:01 madhyāhna ends
10:2510:4911:1311:3712:0112:2512:49

48 of 48 minutes covered

Midday of Monday 23 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:13  12:01 madhyāhna ends
10:2510:4911:1311:3712:0112:2512:49

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 01:24 on Sun 22 May to 22:13 on Sun 22 May.

    1994-05-21T17:24:25Z → 1994-05-22T14:13:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 22nd, 11:13–12:01 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 35310 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Daqing, 1994: Sunday 22 May.

    confidence: determinate

Say it like this

In Daqing, Rukmiṇī Dvādaśī 1994 falls on Sunday 22 May. Dvādaśī runs from 01:24 on Sun 22 May to 22:13 on Sun 22 May and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1994/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 May
Ahargaṇa, classicalDisc centre, no refractionSun 22 May
compat-drikpanchangComparison profileSun 22 May
No institution has a recorded ruling for Daqing.

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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles10:24 → 07:1312:2648 min12:260 min21 May
Chicago12:24 → 09:1312:2347 min12:230 min21 May
Jersey City13:24 → 10:1312:290 min12:290 min22 May
Port of Spain13:24 → 10:1311:390 min11:390 min22 May
London18:24 → 15:1312:330 min12:3448 min22 May
Durban19:24 → 16:1311:280 min11:2848 min22 May
Dubai21:24 → 18:1311:510 min11:5148 min22 May
Delhi22:54 → 19:4311:540 min11:5448 min22 May
Kolkata22:54 → 19:4311:090 min11:0948 min22 May
Singapore01:24 → 22:1312:370 min12:3748 min22 May
Sydney03:24 → 00:1311:280 min11:2848 min22 May
Suva05:24 → 02:1311:390 min11:3948 min22 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

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