Ruling · Vijayā Daśamī (Daśaharā) · 2089

Thursday 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 Thursday 13 October

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

06:26 sunrisesunset 17:42
Daśamī begins 10:56:01
06:0208:0210:0212:0214:0216:0218:02

406 of 676 minutes covered, the last 406

Day of Friday 14 October

Qualifies with 34 of 673 minutes. Not taken.

06:27 sunrisesunset 17:41
Śravaṇa ends 07:00:59
06:0308:0310:0312:0314:0316:0318:03

34 of 673 minutes covered, the first 34

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 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

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:26–17:42 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 406 of 676 minutes on the 13th and 34 of 673 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 2016 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 2089: Thursday 13 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, 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 406 minutes. They are together in the day time on the next day too, for 34 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/2089/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 13 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 13 Oct
compat-drikpanchangComparison profileThu 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 Angeles19:56 → 16:0106:58543 min06:590 min13 Oct
Chicago21:56 → 18:0107:02659 min07:030 min13 Oct
Jersey City22:56 → 19:0107:07671 min07:080 min13 Oct
Port of Spain22:56 → 19:0105:55714 min05:550 min13 Oct
London03:56 → 00:0107:23647 min07:250 min13 Oct
Durban04:56 → 01:0105:20765 min05:190 min13 Oct
Dubai06:56 → 03:0106:17657 min06:170 min13 Oct
Delhi08:26 → 04:3106:22567 min06:220 min13 Oct
Kolkata08:26 → 04:3105:33527 min05:330 min13 Oct
Singapore10:56 → 07:0106:49477 min06:4813 min13 Oct
Sydney13:56 → 10:0106:17311 min06:15226 min13 Oct
Suva14:56 → 11:0105:39191 min05:38323 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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