Ruling · Jitāṣṭamī (Jitiya) · 2009

Saturday 12 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 11 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 11 September

Aṣṭamī is absent from pradoṣa. Not taken.

19:00 sunsetpradoṣa ends 20:33
18:3619:0019:2419:4820:1220:3621:00

0 of 93 minutes covered

Evening of Saturday 12 September

Taken. The only evening Aṣṭamī reaches.

18:59 sunsetpradoṣa ends 20:32
Aṣṭamī ends 20:20:51
18:3518:5919:2319:4720:1120:3520:59

82 of 93 minutes covered, the first 82

Aṣṭamī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 22:05 on Fri 11 Sep to 20:21 on Sat 12 Sep.

    2009-09-11T15:05:05Z → 2009-09-12T13:20:51Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:00–20:33 on the 11th, 18:59–20:32 on the 12th.

    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 93 minutes on the 11th and 82 of 93 on the 12th.

    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 683 s

  5. 05

    Ruling

    Jitāṣṭamī, Chattogram, 2009: Saturday 12 September.

    confidence: determinate

Say it like this

In Chattogram, Jitāṣṭamī (Jitiya) 2009 falls on Saturday 12 September. Aṣṭamī runs from 22:05 on Fri 11 Sep to 20:21 on Sat 12 Sep and covers 82 of 93 minutes of pradoṣa that evening.

ahargana.org/chattogram/festivals/2009/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 12 Sep
compat-drikpanchangComparison profileSat 12 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 11thCoveredSunset 12thCoveredRuled
Los Angeles08:05 → 06:2119:0492 min19:030 min11 Sep
Chicago10:05 → 08:2119:0691 min19:050 min11 Sep
Jersey City11:05 → 09:2119:1191 min19:100 min11 Sep
Port of Spain11:05 → 09:2118:0994 min18:080 min11 Sep
London16:05 → 14:2119:2489 min19:210 min11 Sep
Durban17:05 → 15:2117:4698 min17:470 min11 Sep
Dubai19:05 → 17:2118:2755 min18:260 min11 Sep
Delhi20:35 → 18:5118:310 min18:3021 min12 Sep
Kolkata20:35 → 18:5117:440 min17:4368 min12 Sep
Singapore23:05 → 21:2119:050 min19:0495 min12 Sep
Sydney01:05 → 23:2117:440 min17:4498 min12 Sep
Suva03:05 → 01:2118:000 min18:0097 min12 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

About Ahargaṇa