Ruling · Jitāṣṭamī (Jitiya) · 2012

Sunday 7 October

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 178 minutes.

Decide it for

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 Sunday 7 October

Taken. The only evening Aṣṭamī reaches.

18:21 sunsetpradoṣa ends 20:02
17:5718:2118:4519:0919:3319:5720:21

101 of 101 minutes covered

Evening of Monday 8 October

Aṣṭamī is absent from pradoṣa. Not taken.

18:19 sunsetpradoṣa ends 20:00
17:5518:1918:4319:0719:3119:5520:19

0 of 101 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 13:36 on Sun 7 Oct to 15:22 on Mon 8 Oct.

    2012-10-07T18:35:32Z → 2012-10-08T20:21:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:21–20:02 on the 7th, 18:19–20:00 on the 8th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 101 of 101 minutes on the 7th and 0 of 101 on the 8th.

    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 10670 s

  5. 05

    Ruling

    Jitāṣṭamī, Chicago, 2012: Sunday 7 October.

    confidence: determinate

Say it like this

In Chicago, Jitāṣṭamī (Jitiya) 2012 falls on Sunday 7 October. Aṣṭamī runs from 13:36 on Sun 7 Oct to 15:22 on Mon 8 Oct and covers all of pradoṣa that evening.

ahargana.org/chicago/festivals/2012/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 7 Oct
compat-drikpanchangComparison profileSun 7 Oct
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 7thCoveredSunset 8thCoveredRuled
Los Angeles11:36 → 13:2218:2899 min18:270 min7 Oct
Chicago13:36 → 15:2218:21101 min18:190 min7 Oct
Jersey City14:36 → 16:2218:28100 min18:260 min7 Oct
Port of Spain14:36 → 16:2217:5296 min17:520 min7 Oct
London19:36 → 21:2218:2431 min18:21103 min8 Oct
Durban20:36 → 22:2218:010 min18:0191 min8 Oct
Dubai22:36 → 00:2217:590 min17:5898 min8 Oct
Delhi00:06 → 01:5218:000 min17:5999 min8 Oct
Kolkata00:06 → 01:5217:180 min17:1798 min8 Oct
Singapore02:36 → 04:2218:550 min18:5595 min8 Oct
Sydney05:36 → 07:2219:020 min19:0391 min8 Oct
Suva06:36 → 08:2218:050 min18:0593 min8 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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