Ruling · Rukmiṇī Dvādaśī · 1991

Saturday 25 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 104 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 Friday 24 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 Saturday 25 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 15:23 on Fri 24 May to 16:04 on Sat 25 May.

    1991-05-24T06:22:46Z → 1991-05-25T07:04:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 24th, 12:51–13:39 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 6221 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1991: Saturday 25 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1991 falls on Saturday 25 May. Dvādaśī runs from 15:23 on Fri 24 May to 16:04 on Sat 25 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1991/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 25 May
Ahargaṇa, classicalDisc centre, no refractionSat 25 May
compat-drikpanchangComparison profileSat 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles23:23 → 00:0412:2648 min12:260 min24 May
Chicago01:23 → 02:0412:2448 min12:240 min24 May
Jersey City02:23 → 03:0412:2948 min12:290 min24 May
Port of Spain02:23 → 03:0411:3948 min11:390 min24 May
London07:23 → 08:0412:3448 min12:340 min24 May
Durban08:23 → 09:0411:2948 min11:290 min24 May
Dubai10:23 → 11:0411:5248 min11:520 min24 May
Delhi11:53 → 12:3411:5448 min11:5440 min24 May
Kolkata11:53 → 12:3411:095 min11:0948 min24 May
Singapore14:23 → 15:0412:370 min12:3748 min25 May
Sydney16:23 → 17:0411:280 min11:2848 min25 May
Suva18:23 → 19:0411:390 min11:3948 min25 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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