Ruling · Rukmiṇī Dvādaśī · 1919

Sunday 11 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 621 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 11 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

Midday of Monday 12 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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 00:20 on Sun 11 May to 02:30 on Mon 12 May.

    1919-05-10T15:20:12Z → 1919-05-11T17:29:52Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:51–13:39 on the 11th, 12:51–13:39 on the 12th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

    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 37249 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1919: Sunday 11 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1919 falls on Sunday 11 May. Dvādaśī runs from 00:20 on Sun 11 May to 02:30 on Mon 12 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1919/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 May
Ahargaṇa, classicalDisc centre, no refractionSun 11 May
compat-drikpanchangComparison profileSun 11 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 10thCoveredMadhyāhna 11thCoveredRuled
Los Angeles08:20 → 10:3012:2648 min12:250 min10 May
Chicago10:20 → 12:3012:2348 min12:237 min10 May
Jersey City11:20 → 13:3012:2948 min12:2948 min10 May
Port of Spain11:20 → 13:3011:3848 min11:3848 min10 May
London16:20 → 18:3012:330 min12:3348 min11 May
Durban17:20 → 19:3011:280 min11:2848 min11 May
Dubai19:01 → 21:1111:320 min11:3248 min11 May
Delhi20:50 → 23:0011:540 min11:5448 min11 May
Kolkata20:50 → 23:0011:090 min11:0948 min11 May
Singapore22:20 → 00:3011:370 min11:3748 min11 May
Sydney01:20 → 03:3011:270 min11:2748 min11 May
Suva03:20 → 05:3011:390 min11:3848 min11 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