Ruling · Jitāṣṭamī (Jitiya) · 1963

Monday 9 September

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

Decide it for

LimaDelhiKolkataSingaporeSydneyJersey City

12°03′ S 77°02′ W · America/Lima · GeoNames 3936456

The two evenings

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

Evening of Monday 9 September

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

18:04 sunsetpradoṣa ends 19:40
Aṣṭamī begins 19:41:02
17:4018:0418:2818:5219:1619:4020:04

0 of 96 minutes covered

Evening of Tuesday 10 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:04 sunsetpradoṣa ends 19:40
Aṣṭamī ends 17:49:10
17:4018:0418:2818:5219:1619:4020:04

0 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 19:41 on Mon 9 Sep to 17:49 on Tue 10 Sep.

    1963-09-10T00:41:02Z → 1963-09-10T22:49:10Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:04–19:40 on the 9th, 18:04–19:40 on the 10th.

    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 96 minutes on the 9th and 0 of 96 on the 10th.

    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 36 s < 300 s

  5. 05

    Ruling

    Jitāṣṭamī, Lima, 1963: Monday 9 September.

    confidence: boundary (margin, absent-unstated)

Say it like this

In Lima, Jitāṣṭamī (Jitiya) 1963 falls on Monday 9 September. Aṣṭamī runs from 19:41 on Mon 9 Sep to 17:49 on Tue 10 Sep, and reaches pradoṣa on neither day. It is 0 min 36 s from a threshold: treat the date as contested.

ahargana.org/lima/festivals/1963/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 9 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 9 Sep
compat-drikpanchangComparison profileMon 9 Sep
No institution has a recorded ruling for Lima.

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 10thCoveredSunset 11thCoveredRuled
Los Angeles17:41 → 15:4919:070 min19:060 min9 Sep
Chicago19:41 → 17:4919:100 min19:080 min9 Sep
Jersey City20:41 → 18:4919:150 min19:130 min9 Sep
Port of Spain20:41 → 18:4918:1039 min18:090 min10 Sep
London01:41 → 23:4919:2888 min19:260 min10 Sep
Durban02:41 → 00:4917:4598 min17:460 min10 Sep
Dubai04:41 → 02:4918:2993 min18:280 min10 Sep
Delhi06:11 → 04:1918:3392 min18:320 min10 Sep
Kolkata06:11 → 04:1917:4693 min17:450 min10 Sep
Singapore08:11 → 06:1918:3595 min18:350 min10 Sep
Sydney10:41 → 08:4917:4299 min17:430 min10 Sep
Suva12:41 → 10:4918:0097 min18:000 min10 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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