Ruling · Jitāṣṭamī (Jitiya) · 2012

Monday 8 October

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

Decide it for

6°27′ N 3°24′ E · Africa/Lagos · GeoNames 2332459

The two evenings

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

Evening of Sunday 7 October

Qualifies with 35 of 96 minutes. Not taken.

18:35 sunsetpradoṣa ends 20:10
Aṣṭamī begins 19:35:32
18:1118:3518:5919:2319:4720:1120:35

35 of 96 minutes covered, the last 35

Evening of Monday 8 October

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

18:34 sunsetpradoṣa ends 20:10
18:1018:3418:5819:2219:4620:1020:34

96 of 96 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 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct.

    2012-10-07T18:35:32Z → 2012-10-08T20:21:30Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:35–20:10 on the 7th, 18:34–20:10 on the 8th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 35 of 96 minutes on the 7th and 96 of 96 on the 8th.

    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 2092 s

  5. 05

    Ruling

    Jitāṣṭamī, Lagos, 2012: Monday 8 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Lagos, Jitāṣṭamī (Jitiya) 2012 falls on Monday 8 October. Aṣṭamī runs from 19:36 on Sun 7 Oct to 21:22 on Mon 8 Oct and covers all of pradoṣa that evening. It also reaches the previous evening for 35 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/lagos/festivals/2012/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 8 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 8 Oct
compat-drikpanchangComparison profileMon 8 Oct
No institution has a recorded ruling for Lagos.

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 7thCoveredSunset 8thCoveredRuled
Los Angeles11:36 → 13:2218:2899 min18:270 min7 Oct
Chicago13:36 → 15:2218:21101 min18:190 min7 Oct
Jersey City14:36 → 16:2218:28100 min18:260 min7 Oct
Port of Spain14:36 → 16:2217:5296 min17:520 min7 Oct
London19:36 → 21:2218:2431 min18:21103 min8 Oct
Durban20:36 → 22:2218:010 min18:0191 min8 Oct
Dubai22:36 → 00:2217:590 min17:5898 min8 Oct
Delhi00:06 → 01:5218:000 min17:5999 min8 Oct
Kolkata00:06 → 01:5217:180 min17:1798 min8 Oct
Singapore02:36 → 04:2218:550 min18:5595 min8 Oct
Sydney05:36 → 07:2219:020 min19:0391 min8 Oct
Suva06:36 → 08:2218:050 min18:0593 min8 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

About Ahargaṇa