Day of Saturday 7 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
06:04 sunrisesunset 17:39
Śravaṇa begins 09:53:23
05:4007:4009:4011:4013:4015:4017:4019:40
466 of 695 minutes covered, the last 466
Ruling · Vijayā Daśamī (Dussehra) · 2000
Boundaryin Tehran, 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 Saturday 7 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
466 of 695 minutes covered, the last 466
Day of Sunday 8 October
Qualifies with 163 of 693 minutes. Not taken.
163 of 693 minutes covered, the first 163
Aṅga
Daśamī runs from 06:25 on Sat 7 Oct to 08:49 on Sun 8 Oct, and Śravaṇa from 09:53 on Sat 7 Oct to 12:44 on Sun 8 Oct. They are together from 09:53 on Sat 7 Oct to 08:49 on Sun 8 Oct.
2000-10-07T06:23:24Z → 2000-10-08T05:18:40Z
Kāla
The day time is sunrise to sunset: 06:04–17:39 on the 7th, 06:05–17:38 on the 8th.
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 466 of 695 minutes on the 7th and 163 of 693 on the 8th.
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 9809 s
Ruling
Vijayā Daśamī, Tehran, 2000: Saturday 7 October.
confidence: boundary (tie-break-unstated)
In Tehran, Vijayā Daśamī (Dussehra) 2000 falls on Saturday 7 October. Daśamī runs from 06:25 on Sat 7 Oct to 08:49 on Sun 8 Oct and is with Śravaṇa in the day time that day, for 466 minutes. They are together in the day time on the next day too, for 163 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 | Sat 7 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 7 Oct |
| compat-drikpanchang | Comparison profile | Sat 7 Oct |
| No institution has a recorded ruling for Tehran. | ||
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 7th | Covered | Sunrise 8th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:23 → 22:19 | 06:52 | 696 min | 06:53 | 0 min | 7 Oct |
| Chicago | 01:23 → 00:19 | 06:55 | 686 min | 06:56 | 0 min | 7 Oct |
| Jersey City | 02:23 → 01:19 | 07:00 | 688 min | 07:01 | 0 min | 7 Oct |
| Port of Spain | 02:23 → 01:19 | 05:55 | 718 min | 05:55 | 0 min | 7 Oct |
| London | 07:23 → 06:19 | 07:12 | 660 min | 07:13 | 0 min | 7 Oct |
| Durban | 08:23 → 07:19 | 05:27 | 577 min | 05:26 | 113 min | 7 Oct |
| Dubai | 10:23 → 09:19 | 06:14 | 456 min | 06:14 | 185 min | 7 Oct |
| Delhi | 11:53 → 10:49 | 06:18 | 366 min | 06:18 | 271 min | 7 Oct |
| Kolkata | 11:53 → 10:49 | 05:30 | 325 min | 05:31 | 318 min | 7 Oct |
| Singapore | 14:23 → 13:19 | 06:50 | 272 min | 06:50 | 389 min | 8 Oct |
| Sydney | 17:23 → 16:19 | 06:25 | 99 min | 06:23 | 595 min | 8 Oct |
| Suva | 18:23 → 17:19 | 05:44 | 0 min | 05:43 | 696 min | 8 Oct |