Ruling · Rukmiṇī Dvādaśī · 2038

Sunday 16 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 34 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 15 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 Sunday 16 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
Dvādaśī ends 13:12:24
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 16:32 on Sat 15 May to 13:12 on Sun 16 May.

    2038-05-15T08:32:02Z → 2038-05-16T05:12:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 15th, 11:51–12:39 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 2015 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2038: Sunday 16 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2038 falls on Sunday 16 May. Dvādaśī runs from 16:32 on Sat 15 May to 13:12 on Sun 16 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2038/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 16 May
Ahargaṇa, classicalDisc centre, no refractionSun 16 May
compat-drikpanchangComparison profileSun 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles01:32 → 22:1212:2648 min12:260 min15 May
Chicago03:32 → 00:1212:2348 min12:230 min15 May
Jersey City04:32 → 01:1212:2948 min12:290 min15 May
Port of Spain04:32 → 01:1211:3948 min11:390 min15 May
London09:32 → 06:1212:3348 min12:330 min15 May
Durban10:32 → 07:1211:2848 min11:280 min15 May
Dubai12:32 → 09:1211:517 min11:510 min15 May
Delhi14:02 → 10:4211:540 min11:540 min16 May
Kolkata14:02 → 10:4211:090 min11:090 min16 May
Singapore16:32 → 13:1212:370 min12:3735 min16 May
Sydney18:32 → 15:1211:270 min11:2748 min16 May
Suva20:32 → 17:1211:390 min11:3948 min16 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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