Ruling · Vijayā Daśamī (Dussehra) · 1920

Thursday 21 October

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 17 minutes.

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two days

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

Day of Thursday 21 October

Taken. The only day Daśamī with Śravaṇa reaches.

05:42 sunrisesunset 18:02
Daśamī begins 16:35:11Śravaṇa ends 16:52:25
05:1807:1809:1811:1813:1815:1817:1819:18

17 of 740 minutes covered, the first 17

Day of Friday 22 October

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

05:42 sunrisesunset 18:02
05:1807:1809:1811:1813:1815:1817:1819:18

0 of 740 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 16:35 on Thu 21 Oct to 18:01 on Fri 22 Oct, and Śravaṇa from 14:24 on Wed 20 Oct to 16:52 on Thu 21 Oct. They are together from 16:35 on Thu 21 Oct to 16:52 on Thu 21 Oct.

    1920-10-21T15:35:12Z → 1920-10-21T15:52:25Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 05:42–18:02 on the 21st, 05:42–18:02 on the 22nd.

    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 17 of 740 minutes on the 21st and 0 of 740 on the 22nd.

    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 1034 s

  5. 05

    Ruling

    Vijayā Daśamī, Luanda, 1920: Thursday 21 October.

    confidence: determinate

Say it like this

In Luanda, Vijayā Daśamī (Dussehra) 1920 falls on Thursday 21 October. Daśamī runs from 16:35 on Thu 21 Oct to 18:01 on Fri 22 Oct and is with Śravaṇa in the day time that day, for 17 minutes.

ahargana.org/luanda/festivals/1920/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 21 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 21 Oct
compat-drikpanchangComparison profileThu 21 Oct
No institution has a recorded ruling for Luanda.

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 21stCoveredSunrise 22ndCoveredRuled
Los Angeles07:35 → 07:5206:0317 min06:040 min21 Oct
Chicago10:35 → 10:5207:1017 min07:110 min21 Oct
Jersey City11:35 → 11:5207:1417 min07:150 min21 Oct
Port of Spain11:35 → 11:5205:5617 min05:560 min21 Oct
London16:35 → 16:5207:3517 min07:360 min21 Oct
Durban17:35 → 17:5205:1217 min05:110 min21 Oct
Dubai19:35 → 19:5206:200 min06:210 min22 Oct
Delhi21:05 → 21:2206:260 min06:260 min22 Oct
Kolkata21:05 → 21:2205:360 min05:360 min22 Oct
Singapore22:35 → 22:5205:470 min05:470 min22 Oct
Sydney01:35 → 01:5205:080 min05:070 min22 Oct
Suva03:35 → 03:5205:340 min05:330 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