Ruling · Rukmiṇī Dvādaśī · 1917

Thursday 3 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 82 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 Thursday 3 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 Friday 4 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 09:13 on Thu 3 May to 10:29 on Fri 4 May.

    1917-05-03T01:13:07Z → 1917-05-04T02:28:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 3rd, 11:51–12:39 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 4934 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 1917: Thursday 3 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 1917 falls on Thursday 3 May. Dvādaśī runs from 09:13 on Thu 3 May to 10:29 on Fri 4 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1917/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 May
Ahargaṇa, classicalDisc centre, no refractionThu 3 May
compat-drikpanchangComparison profileThu 3 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles17:13 → 18:2911:2648 min11:260 min3 May
Chicago19:13 → 20:2911:2448 min11:240 min3 May
Jersey City20:13 → 21:2911:2948 min11:290 min3 May
Port of Spain21:13 → 22:2911:3948 min11:390 min3 May
London02:13 → 03:2912:3448 min12:340 min3 May
Durban03:13 → 04:2911:2948 min11:280 min3 May
Dubai04:54 → 06:1011:3348 min11:330 min3 May
Delhi06:43 → 07:5911:5448 min11:540 min3 May
Kolkata06:43 → 07:5911:1048 min11:090 min3 May
Singapore08:13 → 09:2911:3748 min11:370 min3 May
Sydney11:13 → 12:2911:2848 min11:2848 min3 May
Suva13:13 → 14:2911:390 min11:3948 min4 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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