Ruling · Jitāṣṭamī (Jitiya) · 2078

Wednesday 28 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 260 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

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 Tuesday 27 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:54 sunsetpradoṣa ends 19:30
17:3017:5418:1818:4219:0619:3019:54

0 of 97 minutes covered

Evening of Wednesday 28 September

Taken. The only evening Aṣṭamī reaches.

17:52 sunsetpradoṣa ends 19:29
17:2817:5218:1618:4019:0419:2819:52

97 of 97 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 01:20 on Wed 28 Sep to 23:49 on Wed 28 Sep.

    2078-09-27T21:50:15Z → 2078-09-28T20:19:07Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:54–19:30 on the 27th, 17:52–19:29 on the 28th.

    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 97 minutes on the 27th and 97 of 97 on the 28th.

    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 15610 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 2078: Wednesday 28 September.

    confidence: determinate

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 2078 falls on Wednesday 28 September. Aṣṭamī runs from 01:20 on Wed 28 Sep to 23:49 on Wed 28 Sep and covers all of pradoṣa that evening.

ahargana.org/tehran/festivals/2078/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 28 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 28 Sep
compat-drikpanchangComparison profileWed 28 Sep
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 27thCoveredSunset 28thCoveredRuled
Los Angeles14:50 → 13:1918:4297 min18:400 min27 Sep
Chicago16:50 → 15:1918:3897 min18:360 min27 Sep
Jersey City17:50 → 16:1918:4497 min18:430 min27 Sep
Port of Spain17:50 → 16:1917:5996 min17:580 min27 Sep
London22:50 → 21:1918:460 min18:4498 min28 Sep
Durban23:50 → 22:1917:550 min17:5694 min28 Sep
Dubai01:50 → 00:1918:100 min18:0996 min28 Sep
Delhi03:20 → 01:4918:110 min18:1096 min28 Sep
Kolkata03:20 → 01:4917:280 min17:2796 min28 Sep
Singapore05:50 → 04:1918:590 min18:5895 min28 Sep
Sydney07:50 → 06:1917:550 min17:5693 min28 Sep
Suva09:50 → 08:1918:030 min18:0394 min28 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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