Ruling · Jitāṣṭamī (Jitiya) · 2049

Saturday 18 September

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 425 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 Friday 17 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:31 sunsetpradoṣa ends 20:05
18:0718:3118:5519:1919:4320:0720:31

0 of 94 minutes covered

Evening of Saturday 18 September

Taken. The only evening Aṣṭamī reaches.

18:29 sunsetpradoṣa ends 20:04
18:0518:2918:5319:1719:4120:0520:29

94 of 94 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 03:10 on Sat 18 Sep to 05:06 on Sun 19 Sep.

    2049-09-18T10:09:43Z → 2049-09-19T12:05:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:31–20:05 on the 17th, 18:29–20:04 on the 18th.

    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 94 minutes on the 17th and 94 of 94 on the 18th.

    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 25502 s

  5. 05

    Ruling

    Jitāṣṭamī, Phoenix, 2049: Saturday 18 September.

    confidence: determinate

Say it like this

In Phoenix, Jitāṣṭamī (Jitiya) 2049 falls on Saturday 18 September. Aṣṭamī runs from 03:10 on Sat 18 Sep to 05:06 on Sun 19 Sep and covers all of pradoṣa that evening.

ahargana.org/phoenix/festivals/2049/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 18 Sep
compat-drikpanchangComparison profileSat 18 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 18thCoveredSunset 19thCoveredRuled
Los Angeles03:10 → 05:0618:5494 min18:530 min18 Sep
Chicago05:10 → 07:0618:5494 min18:520 min18 Sep
Jersey City06:10 → 08:0618:5994 min18:570 min18 Sep
Port of Spain06:10 → 08:0618:0495 min18:040 min18 Sep
London11:10 → 13:0619:0793 min19:050 min18 Sep
Durban12:10 → 14:0617:5096 min17:510 min18 Sep
Dubai14:10 → 16:0618:1994 min18:180 min18 Sep
Delhi15:40 → 17:3618:2294 min18:210 min18 Sep
Kolkata15:40 → 17:3617:3794 min17:360 min18 Sep
Singapore18:10 → 20:0619:0295 min19:0264 min18 Sep
Sydney20:10 → 22:0617:490 min17:4996 min19 Sep
Suva22:10 → 00:0618:020 min18:0296 min19 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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