Ruling · Rukmiṇī Dvādaśī · 1959

Tuesday 19 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 60 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 19 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

Midday of Wednesday 20 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 10:51 on Tue 19 May to 07:54 on Wed 20 May.

    1959-05-19T02:51:11Z → 1959-05-19T23:54:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 3574 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1959: Tuesday 19 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1959 falls on Tuesday 19 May. Dvādaśī runs from 10:51 on Tue 19 May to 07:54 on Wed 20 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1959/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 May
Ahargaṇa, classicalDisc centre, no refractionTue 19 May
compat-drikpanchangComparison profileTue 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles19:51 → 16:5412:2648 min12:260 min19 May
Chicago21:51 → 18:5412:2348 min12:230 min19 May
Jersey City22:51 → 19:5412:2948 min12:290 min19 May
Port of Spain22:51 → 19:5411:3848 min11:390 min19 May
London03:51 → 00:5412:3348 min12:330 min19 May
Durban04:51 → 01:5411:2848 min11:280 min19 May
Dubai06:51 → 03:5411:5148 min11:510 min19 May
Delhi08:21 → 05:2411:5448 min11:540 min19 May
Kolkata08:21 → 05:2411:0948 min11:090 min19 May
Singapore10:21 → 07:2412:0748 min12:070 min19 May
Sydney12:51 → 09:5411:270 min11:270 min20 May
Suva14:51 → 11:5411:390 min11:3916 min20 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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