Ruling · Jitāṣṭamī (Jitiya) · 1937

Monday 27 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 207 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 Sunday 26 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:39 sunsetpradoṣa ends 19:14
17:1517:3918:0318:2718:5119:1519:39

0 of 96 minutes covered

Evening of Monday 27 September

Taken. The only evening Aṣṭamī reaches.

17:38 sunsetpradoṣa ends 19:13
17:1417:3818:0218:2618:5019:1419:38

96 of 96 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 00:36 on Mon 27 Sep to 22:41 on Mon 27 Sep.

    1937-09-26T18:42:41Z → 1937-09-27T16:47:37Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:39–19:14 on the 26th, 17:38–19:13 on the 27th.

    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 96 minutes on the 26th and 96 of 96 on the 27th.

    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 12436 s

  5. 05

    Ruling

    Jitāṣṭamī, Chattogram, 1937: Monday 27 September.

    confidence: determinate

Say it like this

In Chattogram, Jitāṣṭamī (Jitiya) 1937 falls on Monday 27 September. Aṣṭamī runs from 00:36 on Mon 27 Sep to 22:41 on Mon 27 Sep and covers all of pradoṣa that evening.

ahargana.org/chattogram/festivals/1937/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 27 Sep
compat-drikpanchangComparison profileMon 27 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 26thCoveredSunset 27thCoveredRuled
Los Angeles10:43 → 08:4817:4496 min17:430 min26 Sep
Chicago12:43 → 10:4817:4196 min17:390 min26 Sep
Jersey City13:43 → 11:4817:4796 min17:450 min26 Sep
Port of Spain14:43 → 12:4818:0095 min17:590 min26 Sep
London19:43 → 17:4818:5044 min18:480 min26 Sep
Durban20:43 → 18:4817:540 min17:5453 min27 Sep
Dubai22:43 → 20:4818:110 min18:1096 min27 Sep
Delhi00:13 → 22:1818:130 min18:1296 min27 Sep
Kolkata00:13 → 22:1817:290 min17:2896 min27 Sep
Singapore02:03 → 00:0818:190 min18:1995 min27 Sep
Sydney04:43 → 02:4817:530 min17:5494 min27 Sep
Suva06:43 → 04:4818:030 min18:0395 min27 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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