Ruling · Rukmiṇī Dvādaśī · 2079

Friday 12 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 540 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 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 Friday 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 21:39 on Thu 11 May to 22:56 on Fri 12 May.

    2079-05-11T13:39:01Z → 2079-05-12T14:56:21Z

  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 32394 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2079: Friday 12 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2079 falls on Friday 12 May. Dvādaśī runs from 21:39 on Thu 11 May to 22:56 on Fri 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2079/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 May
Ahargaṇa, classicalDisc centre, no refractionFri 12 May
compat-drikpanchangComparison profileFri 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 Angeles06:39 → 07:5612:2648 min12:260 min11 May
Chicago08:39 → 09:5612:2448 min12:240 min11 May
Jersey City09:39 → 10:5612:2948 min12:290 min11 May
Port of Spain09:39 → 10:5611:3948 min11:390 min11 May
London14:39 → 15:5612:340 min12:3448 min12 May
Durban15:39 → 16:5611:280 min11:2848 min12 May
Dubai17:39 → 18:5611:520 min11:5248 min12 May
Delhi19:09 → 20:2611:540 min11:5448 min12 May
Kolkata19:09 → 20:2611:090 min11:0948 min12 May
Singapore21:39 → 22:5612:370 min12:3748 min12 May
Sydney23:39 → 00:5611:280 min11:2848 min12 May
Suva01:39 → 02:5611:390 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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