Ruling · Vijayā Daśamī (Daśaharā) · 2011

Thursday 6 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 71 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two days

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

Day of Thursday 6 October

Taken. The only day Daśamī with Śravaṇa reaches.

05:44 sunrisesunset 17:11
Śravaṇa begins 06:55:38
05:2007:2009:2011:2013:2015:2017:2019:20

616 of 687 minutes covered, the last 616

Day of Friday 7 October

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

05:46 sunrisesunset 17:09
05:2207:2209:2211:2213:2215:2217:2219:22

0 of 684 minutes covered

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 23:23 on Wed 5 Oct to 00:14 on Fri 7 Oct, and Śravaṇa from 06:56 on Thu 6 Oct to 08:32 on Fri 7 Oct. They are together from 06:56 on Thu 6 Oct to 00:14 on Fri 7 Oct.

    2011-10-05T22:55:39Z → 2011-10-06T16:13:52Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 05:44–17:11 on the 6th, 05:46–17:09 on the 7th.

    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 616 of 687 minutes on the 6th and 0 of 684 on the 7th.

    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 4271 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 2011: Thursday 6 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 2011 falls on Thursday 6 October. Daśamī runs from 23:23 on Wed 5 Oct to 00:14 on Fri 7 Oct and is with Śravaṇa in the day time that day, for 616 minutes.

ahargana.org/daqing/festivals/2011/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 6 Oct
compat-drikpanchangComparison profileThu 6 Oct
No institution has a recorded ruling for Daqing.

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 5thCoveredSunrise 6thCoveredRuled
Los Angeles15:56 → 09:1406:51156 min06:51143 min5 Oct
Chicago17:56 → 11:1406:5230 min06:53261 min6 Oct
Jersey City18:56 → 12:1406:570 min06:58316 min6 Oct
Port of Spain18:56 → 12:1405:550 min05:55379 min6 Oct
London23:56 → 17:1407:070 min07:09605 min6 Oct
Durban00:56 → 18:1405:300 min05:29750 min6 Oct
Dubai02:56 → 20:1406:120 min06:13708 min6 Oct
Delhi04:26 → 21:4406:160 min06:17705 min6 Oct
Kolkata04:26 → 21:4405:290 min05:30710 min6 Oct
Singapore06:56 → 00:1406:510 min06:50720 min6 Oct
Sydney09:56 → 03:1406:280 min06:27545 min6 Oct
Suva10:56 → 04:1405:460 min05:45429 min6 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

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