Ruling · Rukmiṇī Dvādaśī · 2003

Tuesday 13 May

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 576 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 Tuesday 13 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 Wednesday 14 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 01:37 on Tue 13 May to 22:31 on Tue 13 May.

    2003-05-12T17:37:09Z → 2003-05-13T14:30:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 13th, 11:13–12:01 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 34536 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Daqing, 2003: Tuesday 13 May.

    confidence: determinate

Say it like this

In Daqing, Rukmiṇī Dvādaśī 2003 falls on Tuesday 13 May. Dvādaśī runs from 01:37 on Tue 13 May to 22:31 on Tue 13 May and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2003/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 May
Ahargaṇa, classicalDisc centre, no refractionTue 13 May
compat-drikpanchangComparison profileTue 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles10:37 → 07:3112:2648 min12:260 min12 May
Chicago12:37 → 09:3112:2334 min12:230 min12 May
Jersey City13:37 → 10:3112:290 min12:290 min13 May
Port of Spain13:37 → 10:3111:380 min11:380 min13 May
London18:37 → 15:3112:330 min12:3348 min13 May
Durban19:37 → 16:3111:280 min11:2848 min13 May
Dubai21:37 → 18:3111:510 min11:5148 min13 May
Delhi23:07 → 20:0111:540 min11:5448 min13 May
Kolkata23:07 → 20:0111:090 min11:0948 min13 May
Singapore01:37 → 22:3112:370 min12:3748 min13 May
Sydney03:37 → 00:3111:270 min11:2748 min13 May
Suva05:37 → 02:3111:390 min11:3948 min13 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

About Ahargaṇa