Ruling · Jitāṣṭamī (Jitiya) · 1973

Wednesday 19 September

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 510 minutes.

Decide it for

LuandaDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 18 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:03 sunsetpradoṣa ends 19:39
17:3918:0318:2718:5119:1519:3920:03

0 of 95 minutes covered

Evening of Wednesday 19 September

Taken. The only evening Aṣṭamī reaches.

18:03 sunsetpradoṣa ends 19:38
17:3918:0318:2718:5119:1519:3920:03

95 of 95 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 06:12 on Wed 19 Sep to 04:09 on Thu 20 Sep.

    1973-09-19T05:11:36Z → 1973-09-20T03:08:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:03–19:39 on the 18th, 18:03–19:38 on the 19th.

    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 95 minutes on the 18th and 95 of 95 on the 19th.

    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 30604 s

  5. 05

    Ruling

    Jitāṣṭamī, Luanda, 1973: Wednesday 19 September.

    confidence: determinate

Say it like this

In Luanda, Jitāṣṭamī (Jitiya) 1973 falls on Wednesday 19 September. Aṣṭamī runs from 06:12 on Wed 19 Sep to 04:09 on Thu 20 Sep and covers all of pradoṣa that evening.

ahargana.org/luanda/festivals/1973/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 19 Sep
compat-drikpanchangComparison profileWed 19 Sep
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 19thCoveredSunset 20thCoveredRuled
Los Angeles22:12 → 20:0918:5475 min18:520 min19 Sep
Chicago00:12 → 22:0918:5394 min18:510 min19 Sep
Jersey City01:12 → 23:0918:5894 min18:570 min19 Sep
Port of Spain01:12 → 23:0918:0495 min18:030 min19 Sep
London06:12 → 04:0919:0693 min19:040 min19 Sep
Durban07:12 → 05:0917:5096 min17:510 min19 Sep
Dubai09:12 → 07:0918:1994 min18:170 min19 Sep
Delhi10:42 → 08:3918:2294 min18:200 min19 Sep
Kolkata10:42 → 08:3917:3694 min17:350 min19 Sep
Singapore12:42 → 10:3918:3295 min18:310 min19 Sep
Sydney15:12 → 13:0917:4996 min17:490 min19 Sep
Suva17:12 → 15:0918:0196 min18:020 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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