Ruling · Jitāṣṭamī (Jitiya) · 1978

Sunday 24 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 164 minutes.

Decide it for

ChattogramDelhiKolkataSingaporeSydneyJersey City

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Saturday 23 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:48 sunsetpradoṣa ends 19:24
17:2417:4818:1218:3619:0019:2419:48

0 of 95 minutes covered

Evening of Sunday 24 September

Taken. The only evening Aṣṭamī reaches.

17:47 sunsetpradoṣa ends 19:23
17:2317:4718:1118:3518:5919:2319:47

95 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 22:07 on Sat 23 Sep to 00:14 on Mon 25 Sep.

    1978-09-23T16:07:26Z → 1978-09-24T18:13:34Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:48–19:24 on the 23rd, 17:47–19:23 on the 24th.

    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 95 minutes on the 23rd and 95 of 95 on the 24th.

    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 9831 s

  5. 05

    Ruling

    Jitāṣṭamī, Chattogram, 1978: Sunday 24 September.

    confidence: determinate

Say it like this

In Chattogram, Jitāṣṭamī (Jitiya) 1978 falls on Sunday 24 September. Aṣṭamī runs from 22:07 on Sat 23 Sep to 00:14 on Mon 25 Sep and covers all of pradoṣa that evening.

ahargana.org/chattogram/festivals/1978/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 24 Sep
compat-drikpanchangComparison profileSun 24 Sep
No institution has a recorded ruling for Chattogram.

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 23rdCoveredSunset 24thCoveredRuled
Los Angeles09:07 → 11:1418:4895 min18:470 min23 Sep
Chicago11:07 → 13:1418:4695 min18:450 min23 Sep
Jersey City12:07 → 14:1418:5295 min18:500 min23 Sep
Port of Spain12:07 → 14:1418:0195 min18:010 min23 Sep
London17:07 → 19:1418:5795 min18:5519 min23 Sep
Durban18:07 → 20:1417:5280 min17:5395 min24 Sep
Dubai20:07 → 22:1418:140 min18:1395 min24 Sep
Delhi21:37 → 23:4418:170 min18:1695 min24 Sep
Kolkata21:37 → 23:4417:320 min17:3195 min24 Sep
Singapore23:37 → 01:4418:300 min18:3095 min24 Sep
Sydney02:07 → 04:1417:510 min17:5295 min24 Sep
Suva04:07 → 06:1418:020 min18:0295 min24 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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