Ruling · Rukmiṇī Dvādaśī · 2005

Friday 20 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 142 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 Friday 20 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 Saturday 21 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 09:29 on Fri 20 May to 09:13 on Sat 21 May.

    2005-05-20T01:29:14Z → 2005-05-21T01:13:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 20th, 11:51–12:39 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 8499 s

  5. 05

    Ruling

    Rukmiṇī Dvādaśī, Baoding, 2005: Friday 20 May.

    confidence: determinate

Say it like this

In Baoding, Rukmiṇī Dvādaśī 2005 falls on Friday 20 May. Dvādaśī runs from 09:29 on Fri 20 May to 09:13 on Sat 21 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2005/rukmini-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 May
Ahargaṇa, classicalDisc centre, no refractionFri 20 May
compat-drikpanchangComparison profileFri 20 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles18:29 → 18:1312:2648 min12:260 min20 May
Chicago20:29 → 20:1312:2348 min12:230 min20 May
Jersey City21:29 → 21:1312:2948 min12:290 min20 May
Port of Spain21:29 → 21:1311:3948 min11:390 min20 May
London02:29 → 02:1312:3348 min12:340 min20 May
Durban03:29 → 03:1311:2848 min11:280 min20 May
Dubai05:29 → 05:1311:5148 min11:510 min20 May
Delhi06:59 → 06:4311:5448 min11:540 min20 May
Kolkata06:59 → 06:4311:0948 min11:090 min20 May
Singapore09:29 → 09:1312:3748 min12:370 min20 May
Sydney11:29 → 11:1311:2846 min11:280 min20 May
Suva13:29 → 13:1311:390 min11:3948 min21 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