Ruling · Jitāṣṭamī (Jitiya) · 1934

Sunday 30 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 450 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 Saturday 29 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:47 sunsetpradoṣa ends 19:24
17:2317:4718:1118:3518:5919:2319:47

0 of 97 minutes covered

Evening of Sunday 30 September

Taken. The only evening Aṣṭamī reaches.

17:46 sunsetpradoṣa ends 19:23
17:2217:4618:1018:3418:5819:2219:46

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 02:53 on Sun 30 Sep to 05:02 on Mon 1 Oct.

    1934-09-29T23:28:26Z → 1934-10-01T01:37:29Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:47–19:24 on the 29th, 17:46–19:23 on the 30th.

    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 29th and 97 of 97 on the 30th.

    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 26975 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 1934: Sunday 30 September.

    confidence: determinate

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 1934 falls on Sunday 30 September. Aṣṭamī runs from 02:53 on Sun 30 Sep to 05:02 on Mon 1 Oct and covers all of pradoṣa that evening.

ahargana.org/tehran/festivals/1934/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 30 Sep
compat-drikpanchangComparison profileSun 30 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 29thCoveredSunset 1stCoveredRuled
Los Angeles15:28 → 17:3717:4097 min17:380 min29 Sep
Chicago18:28 → 19:3718:3697 min17:330 min30 Sep
Jersey City19:28 → 20:3718:4251 min17:390 min30 Sep
Port of Spain19:28 → 21:3717:585 min17:570 min30 Sep
London00:28 → 02:3718:440 min18:400 min30 Sep
Durban01:28 → 03:3717:550 min17:560 min30 Sep
Dubai03:28 → 05:3718:080 min18:060 min30 Sep
Delhi04:58 → 07:0718:100 min18:080 min30 Sep
Kolkata04:58 → 07:0717:270 min17:250 min30 Sep
Singapore06:48 → 08:5718:180 min18:170 min30 Sep
Sydney09:28 → 11:3717:550 min17:570 min30 Sep
Suva11:28 → 13:3718:030 min18:030 min30 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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