Ruling · Rukmiṇī Dvādaśī · 2062

Friday 19 May

Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 03 s away. Say “contested”.

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 19 May

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī begins 11:38:13
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Saturday 20 May

Qualifies with 4 of 48 minutes. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī ends 11:55:08
11:0311:2711:5112:1512:3913:0313:27

4 of 48 minutes covered, the first 4

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 11:38 on Fri 19 May to 11:55 on Sat 20 May.

    2062-05-19T03:38:14Z → 2062-05-20T03:55:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 19th, 11:51–12:39 on the 20th.

    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 19th and 4 of 48 on the 20th.

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

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 243 s < 300 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2062: Friday 19 May.

    confidence: boundary (margin)

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2062 falls on Friday 19 May. Dvādaśī runs from 11:38 on Fri 19 May to 11:55 on Sat 20 May and covers all of madhyāhna that midday. It also reaches the next midday for 4 minutes; by the rule the first midday is taken. It is 4 min 03 s from a threshold: treat the date as contested.

ahargana.org/baoding/festivals/2062/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 May
Ahargaṇa, classicalDisc centre, no refractionFri 19 May
compat-drikpanchangComparison profileFri 19 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles20:38 → 20:5512:2648 min12:260 min19 May
Chicago22:38 → 22:5512:2448 min12:240 min19 May
Jersey City23:38 → 23:5512:2948 min12:290 min19 May
Port of Spain23:38 → 23:5511:3948 min11:390 min19 May
London04:38 → 04:5512:3448 min12:340 min19 May
Durban05:38 → 05:5511:2848 min11:280 min19 May
Dubai07:38 → 07:5511:5248 min11:520 min19 May
Delhi09:08 → 09:2511:5448 min11:540 min19 May
Kolkata09:08 → 09:2511:0948 min11:090 min19 May
Singapore11:38 → 11:5512:3748 min12:370 min19 May
Sydney13:38 → 13:5511:280 min11:2848 min20 May
Suva15:38 → 15:5511:390 min11:3948 min20 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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