Ruling · Jitāṣṭamī (Jitiya) · 1985

Sunday 6 October

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

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two evenings

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

Evening of Sunday 6 October

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

18:02 sunsetpradoṣa ends 19:36
17:3818:0218:2618:5019:1419:3820:02

94 of 94 minutes covered

Evening of Monday 7 October

Qualifies with 30 of 94 minutes. Not taken.

18:02 sunsetpradoṣa ends 19:36
Aṣṭamī ends 18:31:06
17:3818:0218:2618:5019:1419:3820:02

30 of 94 minutes covered, the first 30

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 17:26 on Sun 6 Oct to 18:31 on Mon 7 Oct.

    1985-10-06T16:25:51Z → 1985-10-07T17:31:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:02–19:36 on the 6th, 18:02–19:36 on the 7th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 94 of 94 minutes on the 6th and 30 of 94 on the 7th.

    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 1775 s

  5. 05

    Ruling

    Jitāṣṭamī, Luanda, 1985: Sunday 6 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Luanda, Jitāṣṭamī (Jitiya) 1985 falls on Sunday 6 October. Aṣṭamī runs from 17:26 on Sun 6 Oct to 18:31 on Mon 7 Oct and covers all of pradoṣa that evening. It also reaches the next evening for 30 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/luanda/festivals/1985/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 6 Oct
compat-drikpanchangComparison profileSun 6 Oct
No institution has a recorded ruling for Luanda.

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 6thCoveredSunset 7thCoveredRuled
Los Angeles09:26 → 10:3118:3099 min18:290 min6 Oct
Chicago11:26 → 12:3118:23100 min18:220 min6 Oct
Jersey City12:26 → 13:3118:30100 min18:280 min6 Oct
Port of Spain12:26 → 13:3117:5396 min17:530 min6 Oct
London17:26 → 18:3118:27102 min18:256 min6 Oct
Durban18:26 → 19:3118:0066 min18:0091 min7 Oct
Dubai20:26 → 21:3118:000 min17:5998 min7 Oct
Delhi21:56 → 23:0118:010 min18:0098 min7 Oct
Kolkata21:56 → 23:0117:190 min17:1898 min7 Oct
Singapore00:26 → 01:3118:550 min18:5595 min7 Oct
Sydney02:26 → 03:3118:010 min18:0291 min7 Oct
Suva04:26 → 05:3118:040 min18:0593 min7 Oct
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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