Ruling · Paraśurāma Dvādaśī · 2026

Monday 27 April

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 242 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

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

Midday of Monday 27 April

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:25  13:13 madhyāhna ends
11:3712:0112:2512:4913:1313:3714:01

48 of 48 minutes covered

Midday of Tuesday 28 April

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:24  13:12 madhyāhna ends
11:3612:0012:2412:4813:1213:3614:00

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 07:46 on Mon 27 Apr to 08:22 on Tue 28 Apr.

    2026-04-27T12:46:28Z → 2026-04-28T13:22:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 27th, 12:24–13:12 on the 28th.

    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 27th and 0 of 48 on the 28th.

    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 14521 s

  5. 05

    Ruling

    Paraśurāma Dvādaśī, Chicago, 2026: Monday 27 April.

    confidence: determinate

Say it like this

In Chicago, Paraśurāma Dvādaśī 2026 falls on Monday 27 April. Dvādaśī runs from 07:46 on Mon 27 Apr to 08:22 on Tue 28 Apr and covers all of madhyāhna that midday.

ahargana.org/chicago/festivals/2026/parashurama-dvadashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 27 Apr
compat-drikpanchangComparison profileMon 27 Apr
No institution has a recorded ruling for Chicago.

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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles05:46 → 06:2212:2748 min12:270 min27 Apr
Chicago07:46 → 08:2212:2548 min12:240 min27 Apr
Jersey City08:46 → 09:2212:3048 min12:300 min27 Apr
Port of Spain08:46 → 09:2211:4048 min11:400 min27 Apr
London13:46 → 14:2212:350 min12:3548 min28 Apr
Durban14:46 → 15:2211:290 min11:2948 min28 Apr
Dubai16:46 → 17:2211:530 min11:5248 min28 Apr
Delhi18:16 → 18:5211:550 min11:5548 min28 Apr
Kolkata18:16 → 18:5211:100 min11:1048 min28 Apr
Singapore20:46 → 21:2212:380 min12:3848 min28 Apr
Sydney22:46 → 23:2211:290 min11:2948 min28 Apr
Suva00:46 → 01:2211:400 min11:4048 min28 Apr
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