Ruling · Rukmiṇī Dvādaśī · 2066

Friday 7 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 12 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 6 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī begins 13:23:10
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Midday of Friday 7 May

Taken. Dvādaśī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī ends 11:39:07
11:0311:2711:5112:1512:3913:0313:27

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 13:23 on Thu 6 May to 11:39 on Fri 7 May.

    2066-05-06T05:23:11Z → 2066-05-07T03:39:07Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 6th, 11:51–12:39 on the 7th.

    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 6th and 0 of 48 on the 7th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 724 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2066: Friday 7 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2066 falls on Friday 7 May. Dvādaśī runs from 13:23 on Thu 6 May to 11:39 on Fri 7 May, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2066/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 7 May
Ahargaṇa, classicalDisc centre, no refractionFri 7 May
compat-drikpanchangComparison profileThu 6 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles22:23 → 20:3912:2648 min12:260 min6 May
Chicago00:23 → 22:3912:2448 min12:240 min6 May
Jersey City01:23 → 23:3912:2948 min12:290 min6 May
Port of Spain01:23 → 23:3911:3948 min11:390 min6 May
London06:23 → 04:3912:3448 min12:340 min6 May
Durban07:23 → 05:3911:2948 min11:280 min6 May
Dubai09:23 → 07:3911:5248 min11:520 min6 May
Delhi10:53 → 09:0911:5448 min11:540 min6 May
Kolkata10:53 → 09:0911:0948 min11:090 min6 May
Singapore13:23 → 11:3912:372 min12:370 min6 May
Sydney15:23 → 13:3911:280 min11:2848 min7 May
Suva17:23 → 15:3911:390 min11:3948 min7 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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