Ruling · Jitāṣṭamī (Jitiya) · 2061

Wednesday 5 October

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

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two evenings

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

Evening of Wednesday 5 October

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

17:42 sunsetpradoṣa ends 19:21
Aṣṭamī begins 19:31:01
17:1817:4218:0618:3018:5419:1819:42

0 of 99 minutes covered

Evening of Thursday 6 October

Aṣṭamī is absent from pradoṣa. Not taken.

17:40 sunsetpradoṣa ends 19:20
Aṣṭamī ends 17:29:09
17:1617:4018:0418:2818:5219:1619:40

0 of 99 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 19:31 on Wed 5 Oct to 17:29 on Thu 6 Oct.

    2061-10-05T16:01:02Z → 2061-10-06T13:59:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:42–19:21 on the 5th, 17:40–19:20 on the 6th.

    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 5th and 0 of 99 on the 6th.

    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 614 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 2061: Wednesday 5 October.

    confidence: boundary (absent-unstated)

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 2061 falls on Wednesday 5 October. Aṣṭamī runs from 19:31 on Wed 5 Oct to 17:29 on Thu 6 Oct, and reaches pradoṣa on neither day.

ahargana.org/tehran/festivals/2061/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 5 Oct
compat-drikpanchangComparison profileWed 5 Oct
No institution has a recorded ruling for Tehran.

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 5thCoveredSunset 6thCoveredRuled
Los Angeles09:01 → 06:5918:3199 min18:290 min5 Oct
Chicago11:01 → 08:5918:24100 min18:230 min5 Oct
Jersey City12:01 → 09:5918:31100 min18:290 min5 Oct
Port of Spain12:01 → 09:5917:5496 min17:530 min5 Oct
London17:01 → 14:5918:28102 min18:260 min5 Oct
Durban18:01 → 15:5918:0090 min18:000 min5 Oct
Dubai20:01 → 17:5918:010 min18:000 min5 Oct
Delhi21:31 → 19:2918:020 min18:0188 min6 Oct
Kolkata21:31 → 19:2917:200 min17:1998 min6 Oct
Singapore00:01 → 21:5918:560 min18:5595 min6 Oct
Sydney03:01 → 00:5919:010 min19:0291 min6 Oct
Suva04:01 → 01:5918:050 min18:0593 min6 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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