Ruling · Jitāṣṭamī (Jitiya) · 2027

Wednesday 22 September

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 41 minutes.

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 Wednesday 22 September

Taken. The only evening Aṣṭamī reaches.

18:48 sunsetpradoṣa ends 20:23
18:2418:4819:1219:3620:0020:2420:48

95 of 95 minutes covered

Evening of Thursday 23 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:46 sunsetpradoṣa ends 20:21
18:2218:4619:1019:3419:5820:2220:46

0 of 95 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 18:07 on Wed 22 Sep to 16:28 on Thu 23 Sep.

    2027-09-22T23:07:15Z → 2027-09-23T21:27:44Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:48–20:23 on the 22nd, 18:46–20:21 on the 23rd.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 22nd and 0 of 95 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 2431 s

  5. 05

    Ruling

    Jitāṣṭamī, Chicago, 2027: Wednesday 22 September.

    confidence: determinate

Say it like this

In Chicago, Jitāṣṭamī (Jitiya) 2027 falls on Wednesday 22 September. Aṣṭamī runs from 18:07 on Wed 22 Sep to 16:28 on Thu 23 Sep and covers all of pradoṣa that evening.

ahargana.org/chicago/festivals/2027/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 22 Sep
compat-drikpanchangComparison profileWed 22 Sep
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/jitashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīSunset 22ndCoveredSunset 23rdCoveredRuled
Los Angeles16:07 → 14:2818:5095 min18:480 min22 Sep
Chicago18:07 → 16:2818:4895 min18:460 min22 Sep
Jersey City19:07 → 17:2818:5381 min18:520 min22 Sep
Port of Spain19:07 → 17:2818:0230 min18:010 min22 Sep
London00:07 → 22:2818:590 min18:5795 min23 Sep
Durban01:07 → 23:2817:520 min17:5295 min23 Sep
Dubai03:07 → 01:2818:150 min18:1495 min23 Sep
Delhi04:37 → 02:5818:180 min18:1795 min23 Sep
Kolkata04:37 → 02:5817:330 min17:3295 min23 Sep
Singapore07:07 → 05:2819:010 min19:0095 min23 Sep
Sydney09:07 → 07:2817:510 min17:5295 min23 Sep
Suva11:07 → 09:2818:020 min18:0295 min23 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s