Ruling · Rukmiṇī Dvādaśī · 1958

Wednesday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 121 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 Wednesday 30 April

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 Thursday 1 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 09:51 on Wed 30 Apr to 06:41 on Thu 1 May.

    1958-04-30T01:50:57Z → 1958-04-30T22:40:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

    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 30th and 0 of 48 on the 1st.

    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 7247 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1958: Wednesday 30 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1958 falls on Wednesday 30 April. Dvādaśī runs from 09:51 on Wed 30 Apr to 06:41 on Thu 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1958/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Apr
Ahargaṇa, classicalDisc centre, no refractionWed 30 Apr
compat-drikpanchangComparison profileWed 30 Apr
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 Angeles18:51 → 15:4112:2648 min12:260 min30 Apr
Chicago20:51 → 17:4112:2448 min12:240 min30 Apr
Jersey City21:51 → 18:4112:3048 min12:300 min30 Apr
Port of Spain21:51 → 18:4111:3948 min11:390 min30 Apr
London02:51 → 23:4112:3448 min12:340 min30 Apr
Durban03:51 → 00:4111:2948 min11:290 min30 Apr
Dubai05:51 → 02:4111:5248 min11:520 min30 Apr
Delhi07:21 → 04:1111:5548 min11:540 min30 Apr
Kolkata07:21 → 04:1111:1048 min11:100 min30 Apr
Singapore09:21 → 06:1112:0848 min12:080 min30 Apr
Sydney11:51 → 08:4111:2825 min11:280 min30 Apr
Suva13:51 → 10:4111:400 min11:390 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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