Ruling · Rukmiṇī Dvādaśī · 1990

Sunday 6 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 378 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 Saturday 5 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

0 of 48 minutes covered

Midday of Sunday 6 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:51  13:39 madhyāhna ends
12:0312:2712:5113:1513:3914:0314:27

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 19:57 on Sat 5 May to 21:47 on Sun 6 May.

    1990-05-05T10:56:52Z → 1990-05-06T12:46:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 5th, 12:51–13:39 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 22662 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1990: Sunday 6 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1990 falls on Sunday 6 May. Dvādaśī runs from 19:57 on Sat 5 May to 21:47 on Sun 6 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1990/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 May
Ahargaṇa, classicalDisc centre, no refractionSun 6 May
compat-drikpanchangComparison profileSun 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles03:57 → 05:4712:2648 min12:260 min5 May
Chicago05:57 → 07:4712:2448 min12:240 min5 May
Jersey City06:57 → 08:4712:2948 min12:290 min5 May
Port of Spain06:57 → 08:4711:3948 min11:390 min5 May
London11:57 → 13:4712:3448 min12:3448 min5 May
Durban12:57 → 14:4711:280 min11:2848 min6 May
Dubai14:57 → 16:4711:520 min11:5248 min6 May
Delhi16:27 → 18:1711:540 min11:5448 min6 May
Kolkata16:27 → 18:1711:090 min11:0948 min6 May
Singapore18:57 → 20:4712:370 min12:3748 min6 May
Sydney20:57 → 22:4711:280 min11:2848 min6 May
Suva22:57 → 00:4711:390 min11:3948 min6 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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