Ruling · Vijayā Daśamī (Dussehra) · 1921

Monday 10 October

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 118 minutes.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two days

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

Day of Monday 10 October

Taken. The only day Daśamī with Śravaṇa reaches.

06:29 sunrisesunset 18:01
06:0508:0510:0512:0514:0516:0518:0520:05

692 of 692 minutes covered

Day of Tuesday 11 October

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

06:30 sunrisesunset 18:00
06:0608:0610:0612:0614:0616:0618:0620:06

0 of 690 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 04:31 on Mon 10 Oct to 07:01 on Tue 11 Oct, and Śravaṇa from 00:47 on Mon 10 Oct to 03:45 on Tue 11 Oct. They are together from 04:31 on Mon 10 Oct to 03:45 on Tue 11 Oct.

    1921-10-10T11:31:23Z → 1921-10-11T10:44:37Z

  2. 02

    Kāla

    The day time is sunrise to sunset: 06:29–18:01 on the 10th, 06:30–18:00 on the 11th.

    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 692 of 692 minutes on the 10th and 0 of 690 on the 11th.

    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 7063 s

  5. 05

    Ruling

    Vijayā Daśamī, Phoenix, 1921: Monday 10 October.

    confidence: determinate

Say it like this

In Phoenix, Vijayā Daśamī (Dussehra) 1921 falls on Monday 10 October. Daśamī runs from 04:31 on Mon 10 Oct to 07:01 on Tue 11 Oct and is with Śravaṇa in the day time that day, for 692 minutes.

ahargana.org/phoenix/festivals/1921/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 10 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 10 Oct
compat-drikpanchangComparison profileMon 10 Oct
No institution has a recorded ruling for Phoenix.

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 10thCoveredSunrise 11thCoveredRuled
Los Angeles03:31 → 02:4505:54691 min05:550 min10 Oct
Chicago06:31 → 05:4506:57681 min06:580 min10 Oct
Jersey City06:31 → 05:4506:02653 min06:030 min10 Oct
Port of Spain07:31 → 06:4505:55620 min05:5550 min10 Oct
London11:31 → 10:4506:15348 min06:17268 min10 Oct
Durban13:31 → 12:4505:25270 min05:24441 min11 Oct
Dubai15:31 → 14:4506:15146 min06:15510 min11 Oct
Delhi17:01 → 16:1506:1956 min06:19595 min11 Oct
Kolkata17:01 → 16:1505:3115 min05:31643 min11 Oct
Singapore18:31 → 17:4505:490 min05:49716 min11 Oct
Sydney21:31 → 20:4505:220 min05:20764 min11 Oct
Suva23:31 → 22:4505:420 min05:41744 min11 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