Ruling · Rukmiṇī Dvādaśī · 1911

Tuesday 9 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 175 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 Tuesday 9 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

Midday of Wednesday 10 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 08:01 on Tue 9 May to 08:56 on Wed 10 May.

    1911-05-09T00:01:25Z → 1911-05-10T00:55:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 9th, 11:51–12:39 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 10497 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1911: Tuesday 9 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1911 falls on Tuesday 9 May. Dvādaśī runs from 08:01 on Tue 9 May to 08:56 on Wed 10 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1911/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 May
Ahargaṇa, classicalDisc centre, no refractionTue 9 May
compat-drikpanchangComparison profileTue 9 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles16:01 → 16:5611:2648 min11:260 min9 May
Chicago18:01 → 18:5611:2348 min11:230 min9 May
Jersey City19:01 → 19:5611:2948 min11:290 min9 May
Port of Spain20:01 → 20:5611:3848 min11:380 min9 May
London00:01 → 00:5611:3348 min11:330 min9 May
Durban02:01 → 02:5611:2848 min11:280 min9 May
Dubai03:42 → 04:3711:3248 min11:320 min9 May
Delhi05:31 → 06:2611:5448 min11:540 min9 May
Kolkata05:31 → 06:2611:0948 min11:090 min9 May
Singapore07:01 → 07:5611:3748 min11:370 min9 May
Sydney10:01 → 10:5611:2748 min11:270 min9 May
Suva11:56 → 12:5111:3425 min11:3448 min9 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