Ruling · Vijayā Daśamī (Dussehra) · 1909

Sunday 24 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 475 minutes.

Decide it for

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 24 October

Taken. The only midday Daśamī reaches.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

48 of 48 minutes covered

Midday of Monday 25 October

Daśamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

0 of 48 minutes covered

Daśamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Daśamī runs from 01:13 on Sun 24 Oct to 23:06 on Sun 24 Oct.

    1909-10-23T17:13:13Z → 1909-10-24T15:06:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 24th, 11:00–11:48 on the 25th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 28515 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 1909: Sunday 24 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 1909 falls on Sunday 24 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 01:13 on Sun 24 Oct to 23:06 on Sun 24 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1909/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 24 Oct
compat-drikpanchangComparison profileSun 24 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.

PlaceDaśamīMadhyāhna 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles09:13 → 07:0611:1348 min11:130 min23 Oct
Chicago11:13 → 09:0611:1146 min11:110 min23 Oct
Jersey City12:13 → 10:0611:160 min11:160 min24 Oct
Port of Spain13:13 → 11:0611:260 min11:260 min24 Oct
London17:13 → 15:0611:210 min11:2048 min24 Oct
Durban19:13 → 17:0611:170 min11:1648 min24 Oct
Dubai20:54 → 18:4711:200 min11:2048 min24 Oct
Delhi22:43 → 20:3611:410 min11:4148 min24 Oct
Kolkata22:43 → 20:3610:570 min10:5748 min24 Oct
Singapore00:13 → 22:0611:250 min11:2548 min24 Oct
Sydney03:13 → 01:0611:160 min11:1648 min24 Oct
Suva05:08 → 03:0111:220 min11:2248 min24 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