Ruling · Vijayā Daśamī (Dussehra) · 1939

Sunday 22 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 98 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 22 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 23 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 02:41 on Sun 22 Oct to 05:11 on Mon 23 Oct.

    1939-10-21T18:40:56Z → 1939-10-22T21:10:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 22nd, 11:00–11:48 on the 23rd.

    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 22nd and 0 of 48 on the 23rd.

    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 5859 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 1939: Sunday 22 October.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 1939 falls on Sunday 22 October. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 02:41 on Sun 22 Oct to 05:11 on Mon 23 Oct and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1939/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 22 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 22 Oct
compat-drikpanchangComparison profileSun 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles10:41 → 13:1111:1348 min11:1348 min21 Oct
Chicago12:41 → 15:1111:110 min11:1148 min21 Oct
Jersey City13:41 → 16:1111:170 min11:1748 min21 Oct
Port of Spain14:41 → 17:1111:270 min11:2748 min21 Oct
London19:41 → 22:1112:210 min12:2148 min22 Oct
Durban20:41 → 23:1111:170 min11:1748 min22 Oct
Dubai22:41 → 01:1111:390 min11:3948 min22 Oct
Delhi00:11 → 02:4111:420 min11:4248 min22 Oct
Kolkata00:11 → 02:4110:570 min10:5748 min22 Oct
Singapore02:01 → 04:3111:450 min11:4548 min22 Oct
Sydney04:41 → 07:1111:160 min11:1648 min22 Oct
Suva06:41 → 09:1111:270 min11:2748 min22 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