Ruling · Vijayā Daśamī (Daśaharā) · 2013

Sunday 13 October

Boundaryin Baoding, under the Rashtriya Panchang method. Both days qualify and the rule does not say which to take. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two days

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

Day of Sunday 13 October

Taken. Both days qualify; the rule is silent, and this one is covered longer.

06:26 sunrisesunset 17:43
Daśamī begins 15:48:00
06:0208:0210:0212:0214:0216:0218:02

115 of 677 minutes covered, the last 115

Day of Monday 14 October

Qualifies with 65 of 675 minutes. Not taken.

06:27 sunrisesunset 17:41
Śravaṇa ends 07:31:10
06:0308:0310:0312:0314:0316:0318:03

65 of 675 minutes covered, the first 65

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 15:48 on Sun 13 Oct to 13:46 on Mon 14 Oct, and Śravaṇa from 08:52 on Sun 13 Oct to 07:31 on Mon 14 Oct. They are together from 15:48 on Sun 13 Oct to 07:31 on Mon 14 Oct.

    2013-10-13T07:48:01Z → 2013-10-13T23:31:11Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:26–17:43 on the 13th, 06:27–17:41 on the 14th.

    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 115 of 677 minutes on the 13th and 65 of 675 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 3880 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 2013: Sunday 13 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 2013 falls on Sunday 13 October. Daśamī runs from 15:48 on Sun 13 Oct to 13:46 on Mon 14 Oct and is with Śravaṇa in the day time that day, for 115 minutes. They are together in the day time on the next day too, for 65 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2013/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 13 Oct
compat-drikpanchangComparison profileSun 13 Oct
No institution has a recorded ruling for Baoding.

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 13thCoveredSunrise 14thCoveredRuled
Los Angeles00:48 → 16:3106:57574 min06:580 min13 Oct
Chicago02:48 → 18:3107:01670 min07:020 min13 Oct
Jersey City03:48 → 19:3107:06673 min07:070 min13 Oct
Port of Spain03:48 → 19:3105:55714 min05:550 min13 Oct
London08:48 → 00:3107:22563 min07:230 min13 Oct
Durban09:48 → 01:3105:20496 min05:190 min13 Oct
Dubai11:48 → 03:3106:16365 min06:170 min13 Oct
Delhi13:18 → 05:0106:21275 min06:210 min13 Oct
Kolkata13:18 → 05:0105:32235 min05:330 min13 Oct
Singapore15:48 → 07:3106:48185 min06:4843 min13 Oct
Sydney18:48 → 10:3106:1719 min06:16255 min14 Oct
Suva19:48 → 11:3105:390 min05:39353 min14 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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