Ruling · Paraśurāma Jayantī · 2026

Sunday 19 April

Boundaryin Chicago, under the Rashtriya Panchang method. A threshold is only 1 min 22 s away. Say “contested”.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

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

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Saturday 18 April

Tṛtīyā is absent from pradoṣa. Not taken.

19:35 sunsetpradoṣa ends 20:59
19:1119:3519:5920:2320:4721:1121:35

0 of 84 minutes covered

Evening of Sunday 19 April

Taken. The only evening Tṛtīyā reaches.

19:36 sunsetpradoṣa ends 20:59
Tṛtīyā ends 20:58:00
19:1219:3620:0020:2420:4821:1221:36

82 of 84 minutes covered, the first 82

Tṛtīyā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Tṛtīyā runs from 00:20 on Sun 19 Apr to 20:58 on Sun 19 Apr.

    2026-04-19T05:19:46Z → 2026-04-20T01:58:01Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:35–20:59 on the 18th, 19:36–20:59 on the 19th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Tṛtīyā must be present during pradoṣa. It covers 0 of 84 minutes on the 18th and 82 of 84 on the 19th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 82 s < 300 s

  5. 05

    Ruling

    Paraśurāma Jayantī, Chicago, 2026: Sunday 19 April.

    confidence: boundary (margin)

Say it like this

In Chicago, Paraśurāma Jayantī 2026 falls on Sunday 19 April. Tṛtīyā runs from 00:20 on Sun 19 Apr to 20:58 on Sun 19 Apr and covers 82 of 84 minutes of pradoṣa that evening. It is 1 min 22 s from a threshold: treat the date as contested.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 19 Apr
compat-drikpanchangComparison profileSun 19 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-jayanti · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Tṛtīyā
Kāla
Pradoṣa
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTṛtīyāSunset 19thCoveredSunset 20thCoveredRuled
Los Angeles22:20 → 18:5819:270 min19:280 min18 Apr
Chicago00:20 → 20:5819:3682 min19:370 min19 Apr
Jersey City01:20 → 21:5819:4084 min19:410 min19 Apr
Port of Spain01:20 → 21:5818:1793 min18:170 min19 Apr
London06:20 → 02:5820:0379 min20:050 min19 Apr
Durban07:20 → 03:5817:32102 min17:310 min19 Apr
Dubai09:20 → 05:5818:4389 min18:430 min19 Apr
Delhi10:50 → 07:2818:4988 min18:490 min19 Apr
Kolkata10:50 → 07:2817:5890 min17:590 min19 Apr
Singapore13:20 → 09:5819:0895 min19:080 min19 Apr
Sydney15:20 → 11:5817:28103 min17:260 min19 Apr
Suva17:20 → 13:5817:5499 min17:530 min19 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
parashurama-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s