Ruling · Rukmiṇī Dvādaśī · 2020

Monday 4 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 188 minutes.

Decide it for

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 Monday 4 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 Tuesday 5 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 08:43 on Mon 4 May to 05:24 on Tue 5 May.

    2020-05-04T00:43:15Z → 2020-05-04T21:24:14Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:51–12:39 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 11279 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2020: Monday 4 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2020 falls on Monday 4 May. Dvādaśī runs from 08:43 on Mon 4 May to 05:24 on Tue 5 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 4 May
Ahargaṇa, classicalDisc centre, no refractionMon 4 May
compat-drikpanchangComparison profileMon 4 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles17:43 → 14:2412:2648 min12:260 min4 May
Chicago19:43 → 16:2412:2448 min12:240 min4 May
Jersey City20:43 → 17:2412:2948 min12:290 min4 May
Port of Spain20:43 → 17:2411:3948 min11:390 min4 May
London01:43 → 22:2412:3448 min12:340 min4 May
Durban02:43 → 23:2411:2848 min11:280 min4 May
Dubai04:43 → 01:2411:5248 min11:520 min4 May
Delhi06:13 → 02:5411:5448 min11:540 min4 May
Kolkata06:13 → 02:5411:0948 min11:090 min4 May
Singapore08:43 → 05:2412:3748 min12:370 min4 May
Sydney10:43 → 07:2411:2848 min11:280 min4 May
Suva12:43 → 09:2411:390 min11:390 min5 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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