Ruling · Vijayā Daśamī (Dussehra) · 1903

Thursday 1 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 27 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two days

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

Day of Wednesday 30 September

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

05:35 sunrisesunset 17:25
05:1107:1109:1111:1113:1115:1117:1119:11

0 of 709 minutes covered

Day of Thursday 1 October

Taken. The only day Daśamī with Śravaṇa reaches.

05:37 sunrisesunset 17:23
Śravaṇa begins 06:03:49Daśamī ends 14:59:05
05:1307:1309:1311:1313:1315:1317:1319:13

535 of 706 minutes covered, the first 535

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 12:31 on Wed 30 Sep to 14:59 on Thu 1 Oct, and Śravaṇa from 06:04 on Thu 1 Oct to 09:01 on Fri 2 Oct. They are together from 06:04 on Thu 1 Oct to 14:59 on Thu 1 Oct.

    1903-09-30T22:03:49Z → 1903-10-01T06:59:05Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 05:35–17:25 on the 30th, 05:37–17:23 on the 1st.

    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 709 minutes on the 30th and 535 of 706 on the 1st.

    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 1631 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 1903: Thursday 1 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 1903 falls on Thursday 1 October. Daśamī runs from 12:31 on Wed 30 Sep to 14:59 on Thu 1 Oct and is with Śravaṇa in the day time that day, for 535 minutes.

ahargana.org/daqing/festivals/1903/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 1 Oct
compat-drikpanchangComparison profileThu 1 Oct
No institution has a recorded ruling for Daqing.

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 30thCoveredSunrise 1stCoveredRuled
Los Angeles14:04 → 22:5905:46216 min05:470 min30 Sep
Chicago16:04 → 00:5905:4592 min05:470 min30 Sep
Jersey City17:04 → 01:5905:5138 min05:520 min30 Sep
Port of Spain18:04 → 02:5905:550 min05:550 min30 Sep
London22:04 → 06:5905:580 min05:5960 min1 Oct
Durban00:04 → 08:5905:370 min05:36203 min1 Oct
Dubai01:45 → 10:4005:510 min05:51289 min1 Oct
Delhi03:25 → 12:2006:040 min06:04376 min1 Oct
Kolkata03:25 → 12:2005:180 min05:19421 min1 Oct
Singapore04:59 → 13:5405:470 min05:47487 min1 Oct
Sydney08:04 → 16:5905:360 min05:35535 min1 Oct
Suva09:59 → 18:5405:460 min05:45479 min1 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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