Ruling · Jitāṣṭamī (Jitiya) · 2006

Thursday 14 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 414 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 Wednesday 13 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:15 sunsetpradoṣa ends 19:47
17:5118:1518:3919:0319:2719:5120:15

0 of 92 minutes covered

Evening of Thursday 14 September

Taken. The only evening Aṣṭamī reaches.

18:13 sunsetpradoṣa ends 19:46
17:4918:1318:3719:0119:2519:4920:13

92 of 92 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 03:02 on Thu 14 Sep to 02:40 on Fri 15 Sep.

    2006-09-13T23:32:01Z → 2006-09-14T23:09:44Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:15–19:47 on the 13th, 18:13–19:46 on the 14th.

    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 92 minutes on the 13th and 92 of 92 on the 14th.

    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 24840 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 2006: Thursday 14 September.

    confidence: determinate

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 2006 falls on Thursday 14 September. Aṣṭamī runs from 03:02 on Thu 14 Sep to 02:40 on Fri 15 Sep and covers all of pradoṣa that evening.

ahargana.org/tehran/festivals/2006/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 14 Sep
compat-drikpanchangComparison profileThu 14 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 13thCoveredSunset 14thCoveredRuled
Los Angeles16:32 → 16:1019:0292 min19:010 min13 Sep
Chicago18:32 → 18:1019:0392 min19:020 min13 Sep
Jersey City19:32 → 19:1019:0968 min19:073 min13 Sep
Port of Spain19:32 → 19:1018:0810 min18:0763 min14 Sep
London00:32 → 00:1019:200 min19:1790 min14 Sep
Durban01:32 → 01:1017:470 min17:4797 min14 Sep
Dubai03:32 → 03:1018:250 min18:2493 min14 Sep
Delhi05:02 → 04:4018:290 min18:2893 min14 Sep
Kolkata05:02 → 04:4017:420 min17:4194 min14 Sep
Singapore07:32 → 07:1019:040 min19:0495 min14 Sep
Sydney09:32 → 09:1017:450 min17:4597 min14 Sep
Suva11:32 → 11:1018:010 min18:0196 min14 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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