Ruling · Vijayā Daśamī (Daśaharā) · 2015

Thursday 22 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 43 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 22 October

Taken. The only day Daśamī with Śravaṇa reaches.

06:07 sunrisesunset 16:42
Daśamī begins 14:28:37Śravaṇa ends 15:58:35
05:4307:4309:4311:4313:4315:4317:43

90 of 635 minutes covered, the first 90

Day of Friday 23 October

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

06:08 sunrisesunset 16:40
05:4407:4409:4411:4413:4415:4417:44

0 of 632 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 14:29 on Thu 22 Oct to 12:22 on Fri 23 Oct, and Śravaṇa from 16:50 on Wed 21 Oct to 15:59 on Thu 22 Oct. They are together from 14:29 on Thu 22 Oct to 15:59 on Thu 22 Oct.

    2015-10-22T06:28:38Z → 2015-10-22T07:58:36Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:07–16:42 on the 22nd, 06:08–16:40 on the 23rd.

    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 90 of 635 minutes on the 22nd and 0 of 632 on the 23rd.

    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 2599 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 2015: Thursday 22 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 2015 falls on Thursday 22 October. Daśamī runs from 14:29 on Thu 22 Oct to 12:22 on Fri 23 Oct and is with Śravaṇa in the day time that day, for 90 minutes.

ahargana.org/daqing/festivals/2015/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 22 Oct
compat-drikpanchangComparison profileThu 22 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 22ndCoveredSunrise 23rdCoveredRuled
Los Angeles23:29 → 00:5907:040 min07:050 min22 Oct
Chicago01:29 → 02:5907:110 min07:120 min22 Oct
Jersey City02:29 → 03:5907:150 min07:160 min22 Oct
Port of Spain02:29 → 03:5905:560 min05:560 min22 Oct
London07:29 → 08:5907:3682 min07:380 min22 Oct
Durban08:29 → 09:5905:1190 min05:100 min22 Oct
Dubai10:29 → 11:5906:2090 min06:210 min22 Oct
Delhi11:59 → 13:2906:2690 min06:270 min22 Oct
Kolkata11:59 → 13:2905:3690 min05:360 min22 Oct
Singapore14:29 → 15:5906:4790 min06:470 min22 Oct
Sydney17:29 → 18:5906:0790 min06:050 min22 Oct
Suva18:29 → 19:5905:330 min05:330 min23 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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