Ruling · Jitāṣṭamī (Jitiya) · 1990

Tuesday 11 September

Boundaryin Melbourne, under the Rashtriya Panchang method. Aṣṭamī reaches pradoṣa on neither day and the rule does not say what then. Say “contested”.

Decide it for

MelbourneDelhiKolkataSingaporeSydneyJersey City

37°49′ S 144°58′ E · Australia/Melbourne · GeoNames 2158177

The two evenings

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

Evening of Tuesday 11 September

Taken. Aṣṭamī reaches neither evening; this is the day it falls on.

18:07 sunsetpradoṣa ends 19:45
Aṣṭamī begins 19:58:40
17:4318:0718:3118:5519:1919:4320:07

0 of 99 minutes covered

Evening of Wednesday 12 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:07 sunsetpradoṣa ends 19:46
Aṣṭamī ends 17:50:59
17:4318:0718:3118:5519:1919:4320:07

0 of 98 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 19:59 on Tue 11 Sep to 17:51 on Wed 12 Sep.

    1990-09-11T09:58:40Z → 1990-09-12T07:50:59Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:07–19:45 on the 11th, 18:07–19:46 on the 12th.

    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 99 minutes on the 11th and 0 of 98 on the 12th.

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

  4. 04

    Tie-break

    Neither evening qualifies. The day the tithi falls on is taken.

    priority: unstated → tithi-day · margin 809 s

  5. 05

    Ruling

    Jitāṣṭamī, Melbourne, 1990: Tuesday 11 September.

    confidence: boundary (absent-unstated)

Say it like this

In Melbourne, Jitāṣṭamī (Jitiya) 1990 falls on Tuesday 11 September. Aṣṭamī runs from 19:59 on Tue 11 Sep to 17:51 on Wed 12 Sep, and reaches pradoṣa on neither day.

ahargana.org/melbourne/festivals/1990/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 11 Sep
compat-drikpanchangComparison profileTue 11 Sep
No institution has a recorded ruling for Melbourne.

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 11thCoveredSunset 12thCoveredRuled
Los Angeles02:59 → 00:5119:0592 min19:040 min11 Sep
Chicago04:59 → 02:5119:0791 min19:050 min11 Sep
Jersey City05:59 → 03:5119:1291 min19:100 min11 Sep
Port of Spain05:59 → 03:5118:0994 min18:080 min11 Sep
London10:59 → 08:5119:2589 min19:220 min11 Sep
Durban11:59 → 09:5117:4698 min17:460 min11 Sep
Dubai13:59 → 11:5118:2793 min18:260 min11 Sep
Delhi15:29 → 13:2118:3192 min18:300 min11 Sep
Kolkata15:29 → 13:2117:4493 min17:430 min11 Sep
Singapore17:59 → 15:5119:0595 min19:040 min11 Sep
Sydney19:59 → 17:5117:430 min17:447 min12 Sep
Suva21:59 → 19:5118:000 min18:0097 min12 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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