Ruling · Rukmiṇī Dvādaśī · 1984

Saturday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 450 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 Friday 11 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 Saturday 12 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 23:00 on Fri 11 May to 20:09 on Sat 12 May.

    1984-05-11T14:59:33Z → 1984-05-12T12:09:00Z

  2. 02

    Kāla

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

    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 11th and 48 of 48 on the 12th.

    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 27015 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1984: Saturday 12 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1984 falls on Saturday 12 May. Dvādaśī runs from 23:00 on Fri 11 May to 20:09 on Sat 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1984/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 May
Ahargaṇa, classicalDisc centre, no refractionSat 12 May
compat-drikpanchangComparison profileSat 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles08:00 → 05:0912:2648 min12:260 min11 May
Chicago10:00 → 07:0912:2348 min12:230 min11 May
Jersey City11:00 → 08:0912:2948 min12:290 min11 May
Port of Spain11:00 → 08:0911:3848 min11:380 min11 May
London16:00 → 13:0912:330 min12:3336 min12 May
Durban17:00 → 14:0911:280 min11:2848 min12 May
Dubai19:00 → 16:0911:510 min11:5148 min12 May
Delhi20:30 → 17:3911:540 min11:5448 min12 May
Kolkata20:30 → 17:3911:090 min11:0948 min12 May
Singapore23:00 → 20:0912:370 min12:3748 min12 May
Sydney01:00 → 22:0911:270 min11:2748 min12 May
Suva03:00 → 00:0911:390 min11:3948 min12 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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