Ruling · Jitāṣṭamī (Jitiya) · 2038

Tuesday 21 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 561 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 21 September

Taken. The only evening Aṣṭamī reaches.

18:03 sunsetpradoṣa ends 19:37
17:3918:0318:2718:5119:1519:3920:03

95 of 95 minutes covered

Evening of Wednesday 22 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:01 sunsetpradoṣa ends 19:36
17:3718:0118:2518:4919:1319:3720:01

0 of 95 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 07:04 on Tue 21 Sep to 08:41 on Wed 22 Sep.

    2038-09-21T03:34:03Z → 2038-09-22T05:10:32Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:03–19:37 on the 21st, 18:01–19:36 on the 22nd.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 21st and 0 of 95 on the 22nd.

    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 33639 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 2038: Tuesday 21 September.

    confidence: determinate

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 2038 falls on Tuesday 21 September. Aṣṭamī runs from 07:04 on Tue 21 Sep to 08:41 on Wed 22 Sep and covers all of pradoṣa that evening.

ahargana.org/tehran/festivals/2038/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 21 Sep
compat-drikpanchangComparison profileTue 21 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 21stCoveredSunset 22ndCoveredRuled
Los Angeles20:34 → 22:1118:5095 min18:490 min21 Sep
Chicago22:34 → 00:1118:4995 min18:470 min21 Sep
Jersey City23:34 → 01:1118:5595 min18:530 min21 Sep
Port of Spain23:34 → 01:1118:0295 min18:020 min21 Sep
London04:34 → 06:1119:0194 min18:580 min21 Sep
Durban05:34 → 07:1117:5195 min17:520 min21 Sep
Dubai07:34 → 09:1118:1695 min18:150 min21 Sep
Delhi09:04 → 10:4118:1995 min18:180 min21 Sep
Kolkata09:04 → 10:4117:3495 min17:330 min21 Sep
Singapore11:34 → 13:1119:0195 min19:000 min21 Sep
Sydney13:34 → 15:1117:5095 min17:510 min21 Sep
Suva15:34 → 17:1118:0295 min18:020 min21 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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