Ruling · Jitāṣṭamī (Jitiya) · 2086

Sunday 29 September

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 180 minutes.

Decide it for

PhoenixDelhiKolkataSingaporeSydneyJersey City

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

The two evenings

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

Evening of Saturday 28 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:16 sunsetpradoṣa ends 19:53
17:5218:1618:4019:0419:2819:5220:16

0 of 97 minutes covered

Evening of Sunday 29 September

Taken. The only evening Aṣṭamī reaches.

18:15 sunsetpradoṣa ends 19:52
17:5118:1518:3919:0319:2719:5120:15

97 of 97 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 23:06 on Sat 28 Sep to 22:52 on Sun 29 Sep.

    2086-09-29T06:06:20Z → 2086-09-30T05:52:02Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:16–19:53 on the 28th, 18:15–19:52 on the 29th.

    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 97 minutes on the 28th and 97 of 97 on the 29th.

    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 10821 s

  5. 05

    Ruling

    Jitāṣṭamī, Phoenix, 2086: Sunday 29 September.

    confidence: determinate

Say it like this

In Phoenix, Jitāṣṭamī (Jitiya) 2086 falls on Sunday 29 September. Aṣṭamī runs from 23:06 on Sat 28 Sep to 22:52 on Sun 29 Sep and covers all of pradoṣa that evening.

ahargana.org/phoenix/festivals/2086/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 29 Sep
compat-drikpanchangComparison profileSun 29 Sep
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/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 29thCoveredSunset 30thCoveredRuled
Los Angeles23:06 → 22:5218:3997 min18:380 min29 Sep
Chicago01:06 → 00:5218:3598 min18:330 min29 Sep
Jersey City02:06 → 01:5218:4198 min18:390 min29 Sep
Port of Spain02:06 → 01:5217:5796 min17:570 min29 Sep
London07:06 → 06:5218:4299 min18:400 min29 Sep
Durban08:06 → 07:5217:5693 min17:570 min29 Sep
Dubai10:06 → 09:5218:0796 min18:060 min29 Sep
Delhi11:36 → 11:2218:0997 min18:080 min29 Sep
Kolkata11:36 → 11:2217:2696 min17:250 min29 Sep
Singapore14:06 → 13:5218:5895 min18:580 min29 Sep
Sydney16:06 → 15:5217:5793 min17:570 min29 Sep
Suva18:06 → 17:5218:0491 min18:040 min29 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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