Ruling · Vijayā Daśamī (Dussehra) · 1968

Tuesday 1 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 212 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 Tuesday 1 October

Taken. The only day Daśamī with Śravaṇa reaches.

05:38 sunrisesunset 17:20
Śravaṇa begins 12:08:32
05:1407:1409:1411:1413:1415:1417:1419:14

312 of 702 minutes covered, the last 312

Day of Wednesday 2 October

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

05:40 sunrisesunset 17:18
05:1607:1609:1611:1613:1615:1617:1619:16

0 of 699 minutes covered

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 22:19 on Mon 30 Sep to 20:53 on Tue 1 Oct, and Śravaṇa from 12:09 on Tue 1 Oct to 11:38 on Wed 2 Oct. They are together from 12:09 on Tue 1 Oct to 20:53 on Tue 1 Oct.

    1968-10-01T04:08:33Z → 1968-10-01T12:52:35Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 05:38–17:20 on the 1st, 05:40–17:18 on the 2nd.

    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 312 of 702 minutes on the 1st and 0 of 699 on the 2nd.

    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 12735 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 1968: Tuesday 1 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 1968 falls on Tuesday 1 October. Daśamī runs from 22:19 on Mon 30 Sep to 20:53 on Tue 1 Oct and is with Śravaṇa in the day time that day, for 312 minutes.

ahargana.org/daqing/festivals/1968/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 1 Oct
compat-drikpanchangComparison profileTue 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 1stCoveredSunrise 2ndCoveredRuled
Los Angeles21:09 → 05:5306:480 min06:490 min30 Sep
Chicago23:09 → 07:5306:4865 min06:490 min1 Oct
Jersey City00:09 → 08:5306:53119 min06:540 min1 Oct
Port of Spain00:09 → 08:5305:55178 min05:550 min1 Oct
London05:09 → 13:5307:01411 min07:030 min1 Oct
Durban06:09 → 14:5305:35524 min05:330 min1 Oct
Dubai08:09 → 16:5306:11524 min06:110 min1 Oct
Delhi09:39 → 18:2306:14508 min06:150 min1 Oct
Kolkata09:39 → 18:2305:28465 min05:280 min1 Oct
Singapore11:39 → 20:2306:22409 min06:210 min1 Oct
Sydney14:09 → 22:5305:33229 min05:320 min1 Oct
Suva16:09 → 00:5305:49115 min05:480 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

About Ahargaṇa