Ruling · Rukmiṇī Dvādaśī · 1903

Friday 8 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 515 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 7 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 8 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 21:59 on Thu 7 May to 21:14 on Fri 8 May.

    1903-05-07T13:59:20Z → 1903-05-08T13:13:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:51–12:39 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 30876 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1903: Friday 8 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1903 falls on Friday 8 May. Dvādaśī runs from 21:59 on Thu 7 May to 21:14 on Fri 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 May
Ahargaṇa, classicalDisc centre, no refractionFri 8 May
compat-drikpanchangComparison profileFri 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles05:59 → 05:1411:2648 min11:260 min7 May
Chicago07:59 → 07:1411:2348 min11:230 min7 May
Jersey City08:59 → 08:1411:2948 min11:290 min7 May
Port of Spain09:59 → 09:1411:3948 min11:390 min7 May
London13:59 → 13:1411:340 min11:3348 min8 May
Durban15:59 → 15:1411:280 min11:2848 min8 May
Dubai17:40 → 16:5511:320 min11:3248 min8 May
Delhi19:20 → 18:3511:450 min11:4548 min8 May
Kolkata19:20 → 18:3511:000 min11:0048 min8 May
Singapore20:54 → 20:0911:320 min11:3248 min8 May
Sydney23:59 → 23:1411:280 min11:2748 min8 May
Suva01:54 → 01:0911:340 min11:3448 min8 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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