Ruling · Jitāṣṭamī (Jitiya) · 2087

Friday 19 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 427 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 Thursday 18 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:53 sunsetpradoṣa ends 19:28
17:2917:5318:1718:4119:0519:2919:53

0 of 94 minutes covered

Evening of Friday 19 September

Taken. The only evening Aṣṭamī reaches.

17:52 sunsetpradoṣa ends 19:27
17:2817:5218:1618:4019:0419:2819:52

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 04:22 on Fri 19 Sep to 02:33 on Sat 20 Sep.

    2087-09-18T22:21:38Z → 2087-09-19T20:33:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:53–19:28 on the 18th, 17:52–19:27 on the 19th.

    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 94 minutes on the 18th and 95 of 95 on the 19th.

    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 25603 s

  5. 05

    Ruling

    Jitāṣṭamī, Chattogram, 2087: Friday 19 September.

    confidence: determinate

Say it like this

In Chattogram, Jitāṣṭamī (Jitiya) 2087 falls on Friday 19 September. Aṣṭamī runs from 04:22 on Fri 19 Sep to 02:33 on Sat 20 Sep and covers all of pradoṣa that evening.

ahargana.org/chattogram/festivals/2087/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 19 Sep
compat-drikpanchangComparison profileFri 19 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 18thCoveredSunset 19thCoveredRuled
Los Angeles15:22 → 13:3318:5594 min18:530 min18 Sep
Chicago17:22 → 15:3318:5494 min18:520 min18 Sep
Jersey City18:22 → 16:3319:0094 min18:580 min18 Sep
Port of Spain18:22 → 16:3318:0578 min18:040 min18 Sep
London23:22 → 21:3319:080 min19:0593 min19 Sep
Durban00:22 → 22:3317:500 min17:5196 min19 Sep
Dubai02:22 → 00:3318:200 min18:1894 min19 Sep
Delhi03:52 → 02:0318:230 min18:2194 min19 Sep
Kolkata03:52 → 02:0317:370 min17:3695 min19 Sep
Singapore06:22 → 04:3319:020 min19:0295 min19 Sep
Sydney08:22 → 06:3317:490 min17:4996 min19 Sep
Suva10:22 → 08:3318:020 min18:0296 min19 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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