Ruling · Jitāṣṭamī (Jitiya) · 1960

Monday 12 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 198 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 Monday 12 September

Taken. The only evening Aṣṭamī reaches.

18:16 sunsetpradoṣa ends 19:48
17:5218:1618:4019:0419:2819:5220:16

92 of 92 minutes covered

Evening of Tuesday 13 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:14 sunsetpradoṣa ends 19:47
17:5018:1418:3819:0219:2619:5020:14

0 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 12:47 on Mon 12 Sep to 14:56 on Tue 13 Sep.

    1960-09-12T09:17:29Z → 1960-09-13T11:26:18Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:16–19:48 on the 12th, 18:14–19:47 on the 13th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 92 of 92 minutes on the 12th and 0 of 92 on the 13th.

    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 11891 s

  5. 05

    Ruling

    Jitāṣṭamī, Tehran, 1960: Monday 12 September.

    confidence: determinate

Say it like this

In Tehran, Jitāṣṭamī (Jitiya) 1960 falls on Monday 12 September. Aṣṭamī runs from 12:47 on Mon 12 Sep to 14:56 on Tue 13 Sep and covers all of pradoṣa that evening.

ahargana.org/tehran/festivals/1960/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 12 Sep
compat-drikpanchangComparison profileMon 12 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 12thCoveredSunset 13thCoveredRuled
Los Angeles02:17 → 04:2619:0392 min19:020 min12 Sep
Chicago04:17 → 06:2619:0591 min19:030 min12 Sep
Jersey City05:17 → 07:2619:1091 min19:080 min12 Sep
Port of Spain05:17 → 07:2618:0894 min18:080 min12 Sep
London10:17 → 12:2619:2289 min19:190 min12 Sep
Durban11:17 → 13:2617:4697 min17:470 min12 Sep
Dubai13:17 → 15:2618:2693 min18:250 min12 Sep
Delhi14:47 → 16:5618:3093 min18:290 min12 Sep
Kolkata14:47 → 16:5617:4393 min17:420 min12 Sep
Singapore16:47 → 18:5618:3495 min18:3422 min12 Sep
Sydney19:17 → 21:2617:444 min17:4598 min13 Sep
Suva21:17 → 23:2618:000 min18:0196 min13 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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