Ruling · Rukmiṇī Dvādaśī · 1973

Sunday 13 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 228 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 13 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 Monday 14 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 07:12 on Sun 13 May to 08:02 on Mon 14 May.

    1973-05-12T23:11:48Z → 1973-05-14T00:02:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 13th, 11:51–12:39 on the 14th.

    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 13th and 0 of 48 on the 14th.

    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 13702 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1973: Sunday 13 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1973 falls on Sunday 13 May. Dvādaśī runs from 07:12 on Sun 13 May to 08:02 on Mon 14 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 May
Ahargaṇa, classicalDisc centre, no refractionSun 13 May
compat-drikpanchangComparison profileSun 13 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 12thCoveredMadhyāhna 14thCoveredRuled
Los Angeles16:12 → 17:0212:250 min12:250 min13 May
Chicago18:12 → 19:0212:230 min12:230 min13 May
Jersey City19:12 → 20:0212:290 min12:290 min13 May
Port of Spain19:12 → 20:0211:380 min11:380 min13 May
London00:12 → 01:0212:330 min12:330 min13 May
Durban01:12 → 02:0211:280 min11:280 min13 May
Dubai03:12 → 04:0211:510 min11:510 min13 May
Delhi04:42 → 05:3211:540 min11:540 min13 May
Kolkata04:42 → 05:3211:090 min11:090 min13 May
Singapore06:42 → 07:3212:070 min12:070 min13 May
Sydney09:12 → 10:0211:270 min11:270 min13 May
Suva11:12 → 12:0211:390 min11:3824 min13 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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