Ruling · Rukmiṇī Dvādaśī · 1965

Wednesday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 430 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 11 May

Dvādaśī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Wednesday 12 May

Taken. The only midday Dvādaśī reaches.

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

48 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 20:41 on Tue 11 May to 19:49 on Wed 12 May.

    1965-05-11T12:40:33Z → 1965-05-12T11:48:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 11th, 11:51–12:39 on the 12th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.

    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 25799 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1965: Wednesday 12 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1965 falls on Wednesday 12 May. Dvādaśī runs from 20:41 on Tue 11 May to 19:49 on Wed 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1965/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 May
Ahargaṇa, classicalDisc centre, no refractionWed 12 May
compat-drikpanchangComparison profileWed 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles05:41 → 04:4912:2548 min12:250 min11 May
Chicago07:41 → 06:4912:2348 min12:230 min11 May
Jersey City08:41 → 07:4912:2948 min12:290 min11 May
Port of Spain08:41 → 07:4911:3848 min11:380 min11 May
London13:41 → 12:4912:330 min12:3315 min12 May
Durban14:41 → 13:4911:280 min11:2848 min12 May
Dubai16:41 → 15:4911:510 min11:5148 min12 May
Delhi18:11 → 17:1911:540 min11:5448 min12 May
Kolkata18:11 → 17:1911:090 min11:0948 min12 May
Singapore20:11 → 19:1912:070 min12:0748 min12 May
Sydney22:41 → 21:4911:270 min11:2748 min12 May
Suva00:41 → 23:4911:390 min11:3848 min12 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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