Ruling · Vijayā Daśamī (Daśaharā) · 2081

Sunday 12 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 Saturday 11 October

Qualifies with 210 of 681 minutes. Not taken.

06:24 sunrisesunset 17:45
Daśamī begins 14:15:36
06:0008:0010:0012:0014:0016:0018:00

210 of 681 minutes covered, the last 210

Day of Sunday 12 October

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

06:25 sunrisesunset 17:44
Śravaṇa ends 13:42:43
06:0108:0110:0112:0114:0116:0118:01

437 of 678 minutes covered, the first 437

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 14:16 on Sat 11 Oct to 16:29 on Sun 12 Oct, and Śravaṇa from 11:02 on Sat 11 Oct to 13:43 on Sun 12 Oct. They are together from 14:16 on Sat 11 Oct to 13:43 on Sun 12 Oct.

    2081-10-11T06:15:36Z → 2081-10-12T05:42:44Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:24–17:45 on the 11th, 06:25–17:44 on the 12th.

    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 210 of 681 minutes on the 11th and 437 of 678 on the 12th.

    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 12573 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 2081: Sunday 12 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 2081 falls on Sunday 12 October. Daśamī runs from 14:16 on Sat 11 Oct to 16:29 on Sun 12 Oct and is with Śravaṇa in the day time that day, for 437 minutes. They are together in the day time on the previous day too, for 210 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/2081/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 12 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 12 Oct
compat-drikpanchangComparison profileSun 12 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles23:16 → 22:4306:56687 min06:570 min11 Oct
Chicago01:16 → 00:4307:00674 min07:010 min11 Oct
Jersey City02:16 → 01:4307:05676 min07:060 min11 Oct
Port of Spain02:16 → 01:4305:55715 min05:550 min11 Oct
London07:16 → 06:4307:19655 min07:210 min11 Oct
Durban08:16 → 07:4305:22588 min05:21141 min11 Oct
Dubai10:16 → 09:4306:16459 min06:16206 min11 Oct
Delhi11:46 → 11:1306:20370 min06:21292 min11 Oct
Kolkata11:46 → 11:1305:32329 min05:32340 min12 Oct
Singapore14:16 → 13:4306:49278 min06:49414 min12 Oct
Sydney17:16 → 16:4306:19110 min06:18625 min12 Oct
Suva18:16 → 17:4305:410 min05:40723 min12 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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