Ruling · Vijayā Daśamī (Daśaharā) · 2084

Monday 9 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 8 October

Qualifies with 26 of 688 minutes. Not taken.

06:22 sunrisesunset 17:49
Śravaṇa begins 17:23:32
05:5807:5809:5811:5813:5815:5817:5819:58

26 of 688 minutes covered, the last 26

Day of Monday 9 October

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

06:23 sunrisesunset 17:48
Daśamī ends 13:27:25
05:5907:5909:5911:5913:5915:5917:5919:59

425 of 685 minutes covered, the first 425

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 15:36 on Sun 8 Oct to 13:27 on Mon 9 Oct, and Śravaṇa from 17:24 on Sun 8 Oct to 15:59 on Mon 9 Oct. They are together from 17:24 on Sun 8 Oct to 13:27 on Mon 9 Oct.

    2084-10-08T09:23:32Z → 2084-10-09T05:27:25Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:22–17:49 on the 8th, 06:23–17:48 on the 9th.

    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 26 of 688 minutes on the 8th and 425 of 685 on the 9th.

    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 1544 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 2084: Monday 9 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 2084 falls on Monday 9 October. Daśamī runs from 15:36 on Sun 8 Oct to 13:27 on Mon 9 Oct and is with Śravaṇa in the day time that day, for 425 minutes. They are together in the day time on the previous day too, for 26 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/2084/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 9 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 9 Oct
compat-drikpanchangComparison profileMon 9 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 8thCoveredSunrise 9thCoveredRuled
Los Angeles02:24 → 22:2706:54692 min06:550 min8 Oct
Chicago04:24 → 00:2706:57682 min06:580 min8 Oct
Jersey City05:24 → 01:2707:02684 min07:030 min8 Oct
Port of Spain05:24 → 01:2705:55717 min05:550 min8 Oct
London10:24 → 06:2707:15477 min07:160 min8 Oct
Durban11:24 → 07:2705:26398 min05:24123 min8 Oct
Dubai13:24 → 09:2706:15274 min06:15192 min8 Oct
Delhi14:54 → 10:5706:19185 min06:19278 min9 Oct
Kolkata14:54 → 10:5705:31143 min05:31326 min9 Oct
Singapore17:24 → 13:2706:5091 min06:49398 min9 Oct
Sydney20:24 → 16:2706:230 min06:21606 min9 Oct
Suva21:24 → 17:2705:430 min05:42705 min9 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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