Ruling · Rukmiṇī Dvādaśī · 1969

Tuesday 29 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 380 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 Monday 28 April

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

Midday of Tuesday 29 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 19:33 on Mon 28 Apr to 19:00 on Tue 29 Apr.

    1969-04-28T11:33:24Z → 1969-04-29T10:59:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 28th, 11:52–12:40 on the 29th.

    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 28th and 48 of 48 on the 29th.

    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 22809 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1969: Tuesday 29 April.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1969 falls on Tuesday 29 April. Dvādaśī runs from 19:33 on Mon 28 Apr to 19:00 on Tue 29 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1969/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Apr
Ahargaṇa, classicalDisc centre, no refractionTue 29 Apr
compat-drikpanchangComparison profileTue 29 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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles04:33 → 04:0012:2748 min12:270 min28 Apr
Chicago06:33 → 06:0012:2448 min12:240 min28 Apr
Jersey City07:33 → 07:0012:3048 min12:300 min28 Apr
Port of Spain07:33 → 07:0011:4048 min11:390 min28 Apr
London12:33 → 12:0012:3548 min12:340 min28 Apr
Durban13:33 → 13:0011:290 min11:2948 min29 Apr
Dubai15:33 → 15:0011:520 min11:5248 min29 Apr
Delhi17:03 → 16:3011:550 min11:5548 min29 Apr
Kolkata17:03 → 16:3011:100 min11:1048 min29 Apr
Singapore19:03 → 18:3012:080 min12:0848 min29 Apr
Sydney21:33 → 21:0011:280 min11:2848 min29 Apr
Suva23:33 → 23:0011:400 min11:4048 min29 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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