Ruling · Vijayā Daśamī (Daśaharā) · 2026

Tuesday 20 October

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 23 minutes.

Decide it for

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

The two days

A tick is five ghaṭīs, two hours. The day time is sunrise to sunset.

Day of Monday 19 October

Daśamī with Śravaṇa is absent from the day time. Not taken.

07:08 sunrisesunset 18:03
06:4408:4410:4412:4414:4416:4418:44

0 of 655 minutes covered

Day of Tuesday 20 October

Taken. The only day Daśamī with Śravaṇa reaches.

07:09 sunrisesunset 18:01
Śravaṇa ends 07:32:20
06:4508:4510:4512:4514:4516:4518:45

23 of 652 minutes covered, the first 23

Daśamī and Śravaṇa togetherThe day time, the window the rule readsThe instant they come together or part

How it was decided

  1. 01

    Aṅga

    Daśamī runs from 02:21 on Tue 20 Oct to 03:42 on Wed 21 Oct, and Śravaṇa from 05:09 on Mon 19 Oct to 07:32 on Tue 20 Oct. They are together from 02:21 on Tue 20 Oct to 07:32 on Tue 20 Oct.

    2026-10-20T07:20:56Z → 2026-10-20T12:32:20Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 07:08–18:03 on the 19th, 07:09–18:01 on the 20th.

    daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 655 minutes on the 19th and 23 of 652 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 1394 s

  5. 05

    Ruling

    Vijayā Daśamī, Chicago, 2026: Tuesday 20 October.

    confidence: determinate

Say it like this

In Chicago, Vijayā Daśamī (Dussehra) 2026 falls on Tuesday 20 October. Daśamī runs from 02:21 on Tue 20 Oct to 03:42 on Wed 21 Oct and is with Śravaṇa in the day time that day, for 23 minutes.

ahargana.org/chicago/festivals/2026/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 20 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 20 Oct
compat-drikpanchangComparison profileTue 20 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/vijaya-dashami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Daśamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
First
With Śravaṇa in the day time

“S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDaśamī with ŚravaṇaSunrise 20thCoveredSunrise 21stCoveredRuled
Los Angeles00:21 → 05:3207:030 min07:030 min20 Oct
Chicago02:21 → 07:3207:0923 min07:100 min20 Oct
Jersey City03:21 → 08:3207:1379 min07:140 min20 Oct
Port of Spain03:21 → 08:3205:56157 min05:560 min20 Oct
London08:21 → 13:3207:33311 min07:350 min20 Oct
Durban09:21 → 14:3205:13311 min05:120 min20 Oct
Dubai11:21 → 16:3206:20311 min06:200 min20 Oct
Delhi12:51 → 18:0206:25295 min06:260 min20 Oct
Kolkata12:51 → 18:0205:35256 min05:360 min20 Oct
Singapore15:21 → 20:3206:47211 min06:470 min20 Oct
Sydney18:21 → 23:3206:0951 min06:070 min20 Oct
Suva19:21 → 00:3205:340 min05:340 min21 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vijaya-dashami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s