Ruling · Rukmiṇī Dvādaśī · 2042

Thursday 1 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 232 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 Thursday 1 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Friday 2 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 05:23 on Thu 1 May to 08:00 on Fri 2 May.

    2042-04-30T21:23:30Z → 2042-05-01T23:59:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 1st, 11:52–12:40 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 13895 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2042: Thursday 1 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2042 falls on Thursday 1 May. Dvādaśī runs from 05:23 on Thu 1 May to 08:00 on Fri 2 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2042/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 May
Ahargaṇa, classicalDisc centre, no refractionThu 1 May
compat-drikpanchangComparison profileThu 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles14:23 → 17:0012:260 min12:2648 min1 May
Chicago16:23 → 19:0012:240 min12:2448 min1 May
Jersey City17:23 → 20:0012:300 min12:3048 min1 May
Port of Spain17:23 → 20:0011:390 min11:3948 min1 May
London22:23 → 01:0012:340 min12:3448 min1 May
Durban23:23 → 02:0011:290 min11:2948 min1 May
Dubai01:23 → 04:0011:520 min11:5248 min1 May
Delhi02:53 → 05:3011:550 min11:5448 min1 May
Kolkata02:53 → 05:3011:100 min11:1048 min1 May
Singapore05:23 → 08:0012:380 min12:3848 min1 May
Sydney07:23 → 10:0011:280 min11:2848 min1 May
Suva09:23 → 12:0011:400 min11:3948 min1 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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