Ruling · Rukmiṇī Dvādaśī · 1922

Monday 8 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 551 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 Sunday 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 Monday 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 00:34 on Mon 8 May to 21:50 on Mon 8 May.

    1922-05-07T16:34:07Z → 1922-05-08T13:50:10Z

  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 33077 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1922: Monday 8 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1922 falls on Monday 8 May. Dvādaśī runs from 00:34 on Mon 8 May to 21:50 on Mon 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1922/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 May
Ahargaṇa, classicalDisc centre, no refractionMon 8 May
compat-drikpanchangComparison profileMon 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 Angeles08:34 → 05:5011:2648 min11:260 min7 May
Chicago11:34 → 08:5012:2348 min12:230 min7 May
Jersey City12:34 → 09:5012:2943 min12:290 min7 May
Port of Spain12:34 → 09:5011:390 min11:390 min8 May
London17:34 → 14:5012:340 min12:3348 min8 May
Durban18:34 → 15:5011:280 min11:2848 min8 May
Dubai20:34 → 17:5011:510 min11:5148 min8 May
Delhi22:04 → 19:2011:540 min11:5448 min8 May
Kolkata22:04 → 19:2011:090 min11:0948 min8 May
Singapore23:34 → 20:5011:370 min11:3748 min8 May
Sydney02:34 → 23:5011:280 min11:2748 min8 May
Suva04:34 → 01:5011:390 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

About Ahargaṇa