Ruling · Rukmiṇī Dvādaśī · 1998

Friday 8 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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
Dvādaśī begins 13:10:16
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 13:10 on Thu 7 May to 15:46 on Fri 8 May.

    1998-05-07T05:10:17Z → 1998-05-08T07:46:14Z

  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 1875 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1998: Friday 8 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1998 falls on Friday 8 May. Dvādaśī runs from 13:10 on Thu 7 May to 15:46 on Fri 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1998/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 profileThu 7 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 Angeles22:10 → 00:4612:2648 min12:260 min7 May
Chicago00:10 → 02:4612:2348 min12:230 min7 May
Jersey City01:10 → 03:4612:2948 min12:290 min7 May
Port of Spain01:10 → 03:4611:3948 min11:390 min7 May
London06:10 → 08:4612:3448 min12:340 min7 May
Durban07:10 → 09:4611:2848 min11:280 min7 May
Dubai09:10 → 11:4611:5148 min11:510 min7 May
Delhi10:40 → 13:1611:5448 min11:5448 min7 May
Kolkata10:40 → 13:1611:0948 min11:0948 min7 May
Singapore13:10 → 15:4612:3715 min12:3748 min7 May
Sydney15:10 → 17:4611:280 min11:2848 min8 May
Suva17:10 → 19:4611:390 min11:3948 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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