Day of Sunday 4 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
110 of 697 minutes covered, the last 110
Ruling · Vijayā Daśamī (Dussehra) · 1908
Boundaryin Chicago, under the Rashtriya Panchang method. Both days qualify and the rule does not say which to take. Say “contested”.
A tick is five ghaṭīs, two hours. The day time is sunrise to sunset.
Day of Sunday 4 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
110 of 697 minutes covered, the last 110
Day of Monday 5 October
Qualifies with 78 of 694 minutes. Not taken.
78 of 694 minutes covered, the first 78
Aṅga
Daśamī runs from 09:35 on Sun 4 Oct to 07:10 on Mon 5 Oct, and Śravaṇa from 15:37 on Sun 4 Oct to 13:49 on Mon 5 Oct. They are together from 15:37 on Sun 4 Oct to 07:10 on Mon 5 Oct.
1908-10-04T21:36:53Z → 1908-10-05T13:09:43Z
Kāla
The day time is sunrise to sunset: 05:51–17:27 on the 4th, 05:52–17:26 on the 5th.
daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′
Rule
Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 110 of 697 minutes on the 4th and 78 of 694 on the 5th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 4680 s
Ruling
Vijayā Daśamī, Chicago, 1908: Sunday 4 October.
confidence: boundary (tie-break-unstated)
In Chicago, Vijayā Daśamī (Dussehra) 1908 falls on Sunday 4 October. Daśamī runs from 09:35 on Sun 4 Oct to 07:10 on Mon 5 Oct and is with Śravaṇa in the day time that day, for 110 minutes. They are together in the day time on the next day too, for 78 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 4 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 4 Oct |
| compat-drikpanchang | Comparison profile | Sun 4 Oct |
| No institution has a recorded ruling for Chicago. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/vijaya-dashami · ruleset 2026.3-draft
“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.
Twelve places, west to east. Local clock times.
| Place | Daśamī with Śravaṇa | Sunrise 4th | Covered | Sunrise 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:37 → 05:10 | 05:50 | 236 min | 05:50 | 0 min | 4 Oct |
| Chicago | 15:37 → 07:10 | 05:51 | 110 min | 05:52 | 78 min | 4 Oct |
| Jersey City | 16:37 → 08:10 | 05:56 | 57 min | 05:57 | 133 min | 5 Oct |
| Port of Spain | 17:37 → 09:10 | 05:55 | 18 min | 05:55 | 195 min | 5 Oct |
| London | 21:37 → 13:10 | 06:06 | 0 min | 06:07 | 423 min | 5 Oct |
| Durban | 23:37 → 15:10 | 05:32 | 0 min | 05:30 | 579 min | 5 Oct |
| Dubai | 01:18 → 16:51 | 05:53 | 0 min | 05:53 | 657 min | 5 Oct |
| Delhi | 03:07 → 18:40 | 06:15 | 0 min | 06:16 | 707 min | 5 Oct |
| Kolkata | 03:07 → 18:40 | 05:29 | 0 min | 05:29 | 711 min | 5 Oct |
| Singapore | 04:37 → 20:10 | 05:51 | 0 min | 05:51 | 725 min | 5 Oct |
| Sydney | 07:37 → 23:10 | 05:30 | 0 min | 05:28 | 623 min | 5 Oct |
| Suva | 09:32 → 01:05 | 05:42 | 0 min | 05:41 | 507 min | 5 Oct |