Ruling · Vijayā Daśamī (Dussehra) · 1929

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 Saturday 12 October

Qualifies with 9 of 681 minutes. Not taken.

06:24 sunrisesunset 17:45
Daśamī begins 17:36:08
06:0008:0010:0012:0014:0016:0018:00

9 of 681 minutes covered, the last 9

Day of Sunday 13 October

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

06:25 sunrisesunset 17:44
Śravaṇa ends 12:43:35
06:0108:0110:0112:0114:0116:0118:01

379 of 679 minutes covered, the first 379

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 17:36 on Sat 12 Oct to 19:30 on Sun 13 Oct, and Śravaṇa from 10:11 on Sat 12 Oct to 12:44 on Sun 13 Oct. They are together from 17:36 on Sat 12 Oct to 12:44 on Sun 13 Oct.

    1929-10-12T09:36:09Z → 1929-10-13T04:43:35Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:24–17:45 on the 12th, 06:25–17:44 on the 13th.

    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 9 of 681 minutes on the 12th and 379 of 679 on the 13th.

    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 543 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 1929: Sunday 13 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 1929 falls on Sunday 13 October. Daśamī runs from 17:36 on Sat 12 Oct to 19:30 on Sun 13 Oct and is with Śravaṇa in the day time that day, for 379 minutes. They are together in the day time on the previous day too, for 9 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/1929/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 12thCoveredSunrise 13thCoveredRuled
Los Angeles01:36 → 20:4405:56687 min05:570 min12 Oct
Chicago03:36 → 22:4405:59675 min06:010 min12 Oct
Jersey City04:36 → 23:4406:04677 min06:050 min12 Oct
Port of Spain05:36 → 00:4405:55715 min05:550 min12 Oct
London09:36 → 04:4406:19458 min06:200 min12 Oct
Durban11:36 → 06:4405:22387 min05:2182 min12 Oct
Dubai13:36 → 08:4406:16259 min06:16148 min12 Oct
Delhi15:06 → 10:1406:20169 min06:21233 min13 Oct
Kolkata15:06 → 10:1405:32128 min05:32281 min13 Oct
Singapore16:36 → 11:4405:4978 min05:49355 min13 Oct
Sydney19:36 → 14:4405:190 min05:18566 min13 Oct
Suva21:36 → 16:4405:410 min05:40664 min13 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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