Ruling · Paraśurāma Dvādaśī · 2027

Monday 17 May

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 221 minutes.

Decide it for

UjjainDelhiKolkataSingaporeSydneyJersey City

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 16 May

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Monday 17 May

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 17:14 on Sun 16 May to 16:29 on Mon 17 May.

    2027-05-16T11:43:56Z → 2027-05-17T10:58:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 13275 s

  5. 05

    Ruling

    Paraśurāma Dvādaśī, Ujjain, 2027: Monday 17 May.

    confidence: determinate

Say it like this

In Ujjain, Paraśurāma Dvādaśī 2027 falls on Monday 17 May. Dvādaśī runs from 17:14 on Sun 16 May to 16:29 on Mon 17 May and covers all of madhyāhna that midday.

ahargana.org/ujjain/festivals/2027/parashurama-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 17 May
Ahargaṇa, classicalDisc centre, no refractionMon 17 May
compat-drikpanchangComparison profileMon 17 May
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/parashurama-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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles04:44 → 03:5912:2648 min12:260 min16 May
Chicago06:44 → 05:5912:2348 min12:230 min16 May
Jersey City07:44 → 06:5912:2948 min12:290 min16 May
Port of Spain07:44 → 06:5911:3948 min11:390 min16 May
London12:44 → 11:5912:3337 min12:330 min16 May
Durban13:44 → 12:5911:280 min11:2848 min17 May
Dubai15:44 → 14:5911:510 min11:5148 min17 May
Delhi17:14 → 16:2911:540 min11:5448 min17 May
Kolkata17:14 → 16:2911:090 min11:0948 min17 May
Singapore19:44 → 18:5912:370 min12:3748 min17 May
Sydney21:44 → 20:5911:270 min11:2748 min17 May
Suva23:44 → 22:5911:390 min11:3948 min17 May
Profile · tradition
pac-rp@2026.1 · smarta
Rule
parashurama-dvadashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s