Ruling · Jitāṣṭamī (Jitiya) · 1949

Thursday 15 September

Boundaryin Phoenix, under the Rashtriya Panchang method. Both evenings qualify and the rule does not say which to take. Say “contested”.

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 Wednesday 14 September

Qualifies with 70 of 93 minutes. Not taken.

18:36 sunsetpradoṣa ends 20:09
Aṣṭamī begins 18:58:32
18:1218:3619:0019:2419:4820:1220:36

70 of 93 minutes covered, the last 70

Evening of Thursday 15 September

Taken. Both evenings qualify; the rule is silent, and this one is covered longer.

18:35 sunsetpradoṣa ends 20:08
Aṣṭamī ends 19:47:45
18:1118:3518:5919:2319:4720:1120:35

73 of 93 minutes covered, the first 73

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 18:59 on Wed 14 Sep to 19:48 on Thu 15 Sep.

    1949-09-15T01:58:32Z → 1949-09-16T02:47:45Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:36–20:09 on the 14th, 18:35–20:08 on the 15th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 70 of 93 minutes on the 14th and 73 of 93 on the 15th.

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

  4. 04

    Tie-break

    Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1193 s

  5. 05

    Ruling

    Jitāṣṭamī, Phoenix, 1949: Thursday 15 September.

    confidence: boundary (tie-break-unstated)

Say it like this

In Phoenix, Jitāṣṭamī (Jitiya) 1949 falls on Thursday 15 September. Aṣṭamī runs from 18:59 on Wed 14 Sep to 19:48 on Thu 15 Sep and covers 73 of 93 minutes of pradoṣa that evening. It also reaches the previous evening for 70 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/phoenix/festivals/1949/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 15 Sep
compat-drikpanchangComparison profileWed 14 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 15thCoveredSunset 16thCoveredRuled
Los Angeles17:59 → 18:4817:5948 min17:580 min14 Sep
Chicago20:59 → 21:4819:0092 min18:580 min15 Sep
Jersey City21:59 → 22:4819:0592 min19:040 min15 Sep
Port of Spain21:59 → 22:4818:0795 min18:060 min15 Sep
London02:59 → 03:4819:1691 min19:130 min15 Sep
Durban03:59 → 04:4817:4897 min17:480 min15 Sep
Dubai05:59 → 06:4818:2394 min18:220 min15 Sep
Delhi07:29 → 08:1818:2793 min18:250 min15 Sep
Kolkata07:29 → 08:1817:4094 min17:390 min15 Sep
Singapore09:29 → 10:1818:3395 min18:330 min15 Sep
Sydney11:59 → 12:4817:4697 min17:470 min15 Sep
Suva13:59 → 14:4818:0196 min18:010 min15 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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