Ruling · Vijayā Daśamī (Daśaharā) · 2021

Friday 15 October

Determinatein Shaoxing, under the Rashtriya Panchang method. Clear of every threshold by 235 minutes.

Decide it for

30°00′ N 120°35′ E · Asia/Shanghai · GeoNames 1795855

The two days

A tick is five ghaṭīs, two hours. The day time is sunrise to sunset.

Day of Thursday 14 October

Daśamī with Śravaṇa is absent from the day time. Not taken.

05:59 sunrisesunset 17:28
05:3507:3509:3511:3513:3515:3517:3519:35

0 of 689 minutes covered

Day of Friday 15 October

Taken. The only day Daśamī with Śravaṇa reaches.

06:00 sunrisesunset 17:27
Śravaṇa ends 11:46:01
05:3607:3609:3611:3613:3615:3617:3619:36

346 of 687 minutes covered, the first 346

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 21:23 on Thu 14 Oct to 20:33 on Fri 15 Oct, and Śravaṇa from 12:05 on Thu 14 Oct to 11:46 on Fri 15 Oct. They are together from 21:23 on Thu 14 Oct to 11:46 on Fri 15 Oct.

    2021-10-14T13:22:51Z → 2021-10-15T03:46:02Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 05:59–17:28 on the 14th, 06:00–17:27 on the 15th.

    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 0 of 689 minutes on the 14th and 346 of 687 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one day qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 14091 s

  5. 05

    Ruling

    Vijayā Daśamī, Shaoxing, 2021: Friday 15 October.

    confidence: determinate

Say it like this

In Shaoxing, Vijayā Daśamī (Dussehra) 2021 falls on Friday 15 October. Daśamī runs from 21:23 on Thu 14 Oct to 20:33 on Fri 15 Oct and is with Śravaṇa in the day time that day, for 346 minutes.

ahargana.org/shaoxing/festivals/2021/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 15 Oct
compat-drikpanchangComparison profileFri 15 Oct
No institution has a recorded ruling for Shaoxing.

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 14thCoveredSunrise 15thCoveredRuled
Los Angeles06:23 → 20:4606:58681 min06:590 min14 Oct
Chicago08:23 → 22:4607:02587 min07:040 min14 Oct
Jersey City09:23 → 23:4607:07534 min07:080 min14 Oct
Port of Spain09:23 → 23:4605:55506 min05:550 min14 Oct
London14:23 → 04:4607:23226 min07:250 min14 Oct
Durban15:23 → 05:4605:19162 min05:1828 min14 Oct
Dubai17:23 → 07:4606:1730 min06:1789 min15 Oct
Delhi18:53 → 09:1606:210 min06:22174 min15 Oct
Kolkata18:53 → 09:1605:330 min05:33223 min15 Oct
Singapore21:23 → 11:4606:480 min06:48298 min15 Oct
Sydney00:23 → 14:4606:160 min06:14512 min15 Oct
Suva01:23 → 15:4605:380 min05:38608 min15 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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