Day of Thursday 13 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
360 of 661 minutes covered, the last 360
Ruling · Vijayā Daśamī (Dussehra) · 2089
Boundaryin Daqing, 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 Thursday 13 October
Taken. Both days qualify; the rule is silent, and this one is covered longer.
360 of 661 minutes covered, the last 360
Day of Friday 14 October
Qualifies with 64 of 657 minutes. Not taken.
64 of 657 minutes covered, the first 64
Aṅga
Daśamī runs from 10:56 on Thu 13 Oct to 13:27 on Fri 14 Oct, and Śravaṇa from 04:01 on Thu 13 Oct to 07:01 on Fri 14 Oct. They are together from 10:56 on Thu 13 Oct to 07:01 on Fri 14 Oct.
2089-10-13T02:56:01Z → 2089-10-13T23:01:00Z
Kāla
The day time is sunrise to sunset: 05:56–16:56 on the 13th, 05:57–16:55 on the 14th.
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 360 of 661 minutes on the 13th and 64 of 657 on the 14th.
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 3832 s
Ruling
Vijayā Daśamī, Daqing, 2089: Thursday 13 October.
confidence: boundary (tie-break-unstated)
In Daqing, Vijayā Daśamī (Dussehra) 2089 falls on Thursday 13 October. Daśamī runs from 10:56 on Thu 13 Oct to 13:27 on Fri 14 Oct and is with Śravaṇa in the day time that day, for 360 minutes. They are together in the day time on the next day too, for 64 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 | Thu 13 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 13 Oct |
| compat-drikpanchang | Comparison profile | Thu 13 Oct |
| No institution has a recorded ruling for Daqing. | ||
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 13th | Covered | Sunrise 14th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:56 → 16:01 | 06:58 | 543 min | 06:59 | 0 min | 13 Oct |
| Chicago | 21:56 → 18:01 | 07:02 | 659 min | 07:03 | 0 min | 13 Oct |
| Jersey City | 22:56 → 19:01 | 07:07 | 671 min | 07:08 | 0 min | 13 Oct |
| Port of Spain | 22:56 → 19:01 | 05:55 | 714 min | 05:55 | 0 min | 13 Oct |
| London | 03:56 → 00:01 | 07:23 | 647 min | 07:25 | 0 min | 13 Oct |
| Durban | 04:56 → 01:01 | 05:20 | 765 min | 05:19 | 0 min | 13 Oct |
| Dubai | 06:56 → 03:01 | 06:17 | 657 min | 06:17 | 0 min | 13 Oct |
| Delhi | 08:26 → 04:31 | 06:22 | 567 min | 06:22 | 0 min | 13 Oct |
| Kolkata | 08:26 → 04:31 | 05:33 | 527 min | 05:33 | 0 min | 13 Oct |
| Singapore | 10:56 → 07:01 | 06:49 | 477 min | 06:48 | 13 min | 13 Oct |
| Sydney | 13:56 → 10:01 | 06:17 | 311 min | 06:15 | 226 min | 13 Oct |
| Suva | 14:56 → 11:01 | 05:39 | 191 min | 05:38 | 323 min | 14 Oct |