Ruling · Jitāṣṭamī (Jitiya) · 1938

Saturday 17 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 42 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 Friday 16 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:49 sunsetpradoṣa ends 19:23
17:2517:4918:1318:3719:0119:2519:49

0 of 94 minutes covered

Evening of Saturday 17 September

Taken. The only evening Aṣṭamī reaches.

17:48 sunsetpradoṣa ends 19:22
17:2417:4818:1218:3619:0019:2419:48

94 of 94 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 22:01 on Fri 16 Sep to 20:04 on Sat 17 Sep.

    1938-09-16T16:08:03Z → 1938-09-17T14:11:05Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:49–19:23 on the 16th, 17:48–19:22 on the 17th.

    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 16th and 94 of 94 on the 17th.

    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 2540 s

  5. 05

    Ruling

    Jitāṣṭamī, Chattogram, 1938: Saturday 17 September.

    confidence: determinate

Say it like this

In Chattogram, Jitāṣṭamī (Jitiya) 1938 falls on Saturday 17 September. Aṣṭamī runs from 22:01 on Fri 16 Sep to 20:04 on Sat 17 Sep and covers all of pradoṣa that evening.

ahargana.org/chattogram/festivals/1938/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 17 Sep
compat-drikpanchangComparison profileSat 17 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 16thCoveredSunset 17thCoveredRuled
Los Angeles08:08 → 06:1117:5993 min17:570 min16 Sep
Chicago11:08 → 09:1118:5992 min18:570 min16 Sep
Jersey City12:08 → 10:1119:0493 min19:030 min16 Sep
Port of Spain12:08 → 10:1118:0695 min18:050 min16 Sep
London17:08 → 15:1119:1491 min19:120 min16 Sep
Durban18:08 → 16:1117:4877 min17:490 min16 Sep
Dubai20:08 → 18:1118:220 min18:210 min16 Sep
Delhi21:38 → 19:4118:260 min18:2577 min17 Sep
Kolkata21:38 → 19:4117:400 min17:3994 min17 Sep
Singapore23:28 → 21:3118:230 min18:2395 min17 Sep
Sydney02:08 → 00:1117:460 min17:4797 min17 Sep
Suva04:08 → 02:1118:010 min18:0196 min17 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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