Ruling · Rukmiṇī Dvādaśī · 2031

Sunday 4 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 300 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 Saturday 3 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 Sunday 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 18:25 on Sat 3 May to 17:39 on Sun 4 May.

    2031-05-03T10:24:38Z → 2031-05-04T09:38:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 3rd, 11:51–12:39 on the 4th.

    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 3rd and 48 of 48 on the 4th.

    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 17979 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2031: Sunday 4 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2031 falls on Sunday 4 May. Dvādaśī runs from 18:25 on Sat 3 May to 17:39 on Sun 4 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2031/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 May
Ahargaṇa, classicalDisc centre, no refractionSun 4 May
compat-drikpanchangComparison profileSun 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles03:25 → 02:3912:2648 min12:260 min3 May
Chicago05:25 → 04:3912:2448 min12:240 min3 May
Jersey City06:25 → 05:3912:3048 min12:290 min3 May
Port of Spain06:25 → 05:3911:3948 min11:390 min3 May
London11:25 → 10:3912:3448 min12:340 min3 May
Durban12:25 → 11:3911:290 min11:2910 min4 May
Dubai14:25 → 13:3911:520 min11:5248 min4 May
Delhi15:55 → 15:0911:540 min11:5448 min4 May
Kolkata15:55 → 15:0911:100 min11:1048 min4 May
Singapore18:25 → 17:3912:380 min12:3748 min4 May
Sydney20:25 → 19:3911:280 min11:2848 min4 May
Suva22:25 → 21:3911:390 min11:3948 min4 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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