Ruling · Rukmiṇī Dvādaśī · 2009

Tuesday 5 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 16 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 Tuesday 5 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī begins 12:06:53
11:0311:2711:5112:1512:3913:0313:27

32 of 48 minutes covered, the last 32

Midday of Wednesday 6 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī ends 11:30:57
11:0311:2711:5112:1512:3913:0313:27

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 12:07 on Tue 5 May to 11:31 on Wed 6 May.

    2009-05-05T04:06:53Z → 2009-05-06T03:30:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 5th, 11:51–12:39 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 32 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 944 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2009: Tuesday 5 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2009 falls on Tuesday 5 May. Dvādaśī runs from 12:07 on Tue 5 May to 11:31 on Wed 6 May and covers 32 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/2009/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 5 May
Ahargaṇa, classicalDisc centre, no refractionTue 5 May
compat-drikpanchangComparison profileTue 5 May
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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles21:07 → 20:3112:2648 min12:260 min5 May
Chicago23:07 → 22:3112:2448 min12:240 min5 May
Jersey City00:07 → 23:3112:2948 min12:290 min5 May
Port of Spain00:07 → 23:3111:3948 min11:390 min5 May
London05:07 → 04:3112:3448 min12:340 min5 May
Durban06:07 → 05:3111:2848 min11:280 min5 May
Dubai08:07 → 07:3111:5248 min11:520 min5 May
Delhi09:37 → 09:0111:5448 min11:540 min5 May
Kolkata09:37 → 09:0111:0948 min11:090 min5 May
Singapore12:07 → 11:3112:3748 min12:370 min5 May
Sydney14:07 → 13:3111:280 min11:2848 min6 May
Suva16:07 → 15:3111:390 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

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