Ruling · Vijayā Daśamī (Dussehra) · 1951

Wednesday 10 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 Tuesday 9 October

Qualifies with 58 of 690 minutes. Not taken.

06:21 sunrisesunset 17:50
Daśamī begins 16:51:52
05:5707:5709:5711:5713:5715:5717:5719:57

58 of 690 minutes covered, the last 58

Day of Wednesday 10 October

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

06:22 sunrisesunset 17:49
Daśamī ends 14:56:16
05:5807:5809:5811:5813:5815:5817:5819:58

515 of 687 minutes covered, the first 515

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 16:52 on Tue 9 Oct to 14:56 on Wed 10 Oct, and Śravaṇa from 16:44 on Tue 9 Oct to 15:33 on Wed 10 Oct. They are together from 16:52 on Tue 9 Oct to 14:56 on Wed 10 Oct.

    1951-10-09T08:51:53Z → 1951-10-10T06:56:17Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:21–17:50 on the 9th, 06:22–17:49 on the 10th.

    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 58 of 690 minutes on the 9th and 515 of 687 on the 10th.

    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 3498 s

  5. 05

    Ruling

    Vijayā Daśamī, Baoding, 1951: Wednesday 10 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vijayā Daśamī (Dussehra) 1951 falls on Wednesday 10 October. Daśamī runs from 16:52 on Tue 9 Oct to 14:56 on Wed 10 Oct and is with Śravaṇa in the day time that day, for 515 minutes. They are together in the day time on the previous day too, for 58 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/1951/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 10 Oct
compat-drikpanchangComparison profileWed 10 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 9thCoveredSunrise 10thCoveredRuled
Los Angeles00:52 → 22:5605:53694 min05:540 min9 Oct
Chicago02:52 → 00:5605:56684 min05:570 min9 Oct
Jersey City03:52 → 01:5606:01686 min06:020 min9 Oct
Port of Spain04:52 → 02:5605:55717 min05:550 min9 Oct
London09:52 → 07:5607:13510 min07:1541 min9 Oct
Durban10:52 → 08:5605:26429 min05:25211 min9 Oct
Dubai12:52 → 10:5606:14306 min06:14282 min9 Oct
Delhi14:22 → 12:2606:18217 min06:19368 min10 Oct
Kolkata14:22 → 12:2605:31175 min05:31415 min10 Oct
Singapore16:22 → 14:2606:20123 min06:19487 min10 Oct
Sydney18:52 → 16:5605:230 min05:22694 min10 Oct
Suva20:52 → 18:5605:430 min05:42743 min10 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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