Ruling · Rukmiṇī Dvādaśī · 1939

Sunday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 335 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 Sunday 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 Monday 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 06:17 on Sun 30 Apr to 04:07 on Mon 1 May.

    1939-04-29T22:17:02Z → 1939-04-30T20:06:45Z

  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 20086 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1939: Sunday 30 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1939 falls on Sunday 30 April. Dvādaśī runs from 06:17 on Sun 30 Apr to 04:07 on Mon 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1939/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 30 Apr
compat-drikpanchangComparison profileSun 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles14:17 → 12:0711:270 min11:2640 min30 Apr
Chicago16:17 → 15:0711:240 min12:2448 min30 Apr
Jersey City17:17 → 16:0711:300 min12:3048 min30 Apr
Port of Spain18:17 → 16:0711:400 min11:3948 min30 Apr
London23:17 → 21:0712:340 min12:3448 min30 Apr
Durban00:17 → 22:0711:290 min11:2948 min30 Apr
Dubai02:17 → 00:0711:520 min11:5248 min30 Apr
Delhi03:47 → 01:3711:550 min11:5548 min30 Apr
Kolkata03:47 → 01:3711:100 min11:1048 min30 Apr
Singapore05:37 → 03:2711:580 min11:5848 min30 Apr
Sydney08:17 → 06:0711:280 min11:2848 min30 Apr
Suva10:17 → 08:0711:400 min11:4048 min30 Apr
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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