Ruling · Rukmiṇī Dvādaśī · 1940

Saturday 18 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 204 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 18 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 Sunday 19 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 08:26 on Sat 18 May to 05:38 on Sun 19 May.

    1940-05-18T00:26:26Z → 1940-05-18T21:38:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 18th, 11:51–12:39 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 12257 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1940: Saturday 18 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1940 falls on Saturday 18 May. Dvādaśī runs from 08:26 on Sat 18 May to 05:38 on Sun 19 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1940/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 May
Ahargaṇa, classicalDisc centre, no refractionSat 18 May
compat-drikpanchangComparison profileSat 18 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles16:26 → 13:3811:2648 min11:260 min18 May
Chicago19:26 → 16:3812:2348 min12:230 min18 May
Jersey City20:26 → 17:3812:2948 min12:290 min18 May
Port of Spain20:26 → 17:3811:3848 min11:380 min18 May
London01:26 → 22:3812:3348 min12:330 min18 May
Durban02:26 → 23:3811:2848 min11:280 min18 May
Dubai04:26 → 01:3811:5148 min11:510 min18 May
Delhi05:56 → 03:0811:5448 min11:540 min18 May
Kolkata05:56 → 03:0811:0948 min11:090 min18 May
Singapore07:46 → 04:5811:5748 min11:570 min18 May
Sydney10:26 → 07:3811:2748 min11:270 min18 May
Suva12:26 → 09:3811:390 min11:390 min18 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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