Ruling · Jitāṣṭamī (Jitiya) · 2089

Tuesday 27 September

Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 239 minutes.

Decide it for

RiyadhDelhiKolkataSingaporeSydneyJersey City

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Monday 26 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:45 sunsetpradoṣa ends 19:21
17:2117:4518:0918:3318:5719:2119:45

0 of 96 minutes covered

Evening of Tuesday 27 September

Taken. The only evening Aṣṭamī reaches.

17:44 sunsetpradoṣa ends 19:20
17:2017:4418:0818:3218:5619:2019:44

96 of 96 minutes covered

Aṣṭamī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 01:08 on Tue 27 Sep to 23:19 on Tue 27 Sep.

    2089-09-26T22:08:28Z → 2089-09-27T20:19:19Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:45–19:21 on the 26th, 17:44–19:20 on the 27th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 0 of 96 minutes on the 26th and 96 of 96 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 14368 s

  5. 05

    Ruling

    Jitāṣṭamī, Riyadh, 2089: Tuesday 27 September.

    confidence: determinate

Say it like this

In Riyadh, Jitāṣṭamī (Jitiya) 2089 falls on Tuesday 27 September. Aṣṭamī runs from 01:08 on Tue 27 Sep to 23:19 on Tue 27 Sep and covers all of pradoṣa that evening.

ahargana.org/riyadh/festivals/2089/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 27 Sep
compat-drikpanchangComparison profileTue 27 Sep
No institution has a recorded ruling for Riyadh.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/jitashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīSunset 26thCoveredSunset 27thCoveredRuled
Los Angeles15:08 → 13:1918:4396 min18:410 min26 Sep
Chicago17:08 → 15:1918:3997 min18:380 min26 Sep
Jersey City18:08 → 16:1918:4597 min18:440 min26 Sep
Port of Spain18:08 → 16:1917:5986 min17:590 min26 Sep
London23:08 → 21:1918:480 min18:4698 min27 Sep
Durban00:08 → 22:1917:550 min17:5594 min27 Sep
Dubai02:08 → 00:1918:100 min18:0996 min27 Sep
Delhi03:38 → 01:4918:120 min18:1196 min27 Sep
Kolkata03:38 → 01:4917:290 min17:2896 min27 Sep
Singapore06:08 → 04:1918:590 min18:5995 min27 Sep
Sydney08:08 → 06:1917:550 min17:5593 min27 Sep
Suva10:08 → 08:1918:030 min18:0394 min27 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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