Ruling · Durgā Saptamī · 1925

Friday 25 September

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 14 minutes.

Decide it for

ChattogramDelhiKolkataSingaporeSydneyJersey City

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

The two mornings

One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.

Morning of Thursday 24 September

Saptamī is absent from the first muhūrta after sunrise. Not taken.

sunrise 05:35  06:23 one muhūrta on
04:4705:1105:3505:5906:2306:4707:1107:35

0 of 48 minutes covered

Morning of Friday 25 September

Taken. The only morning Saptamī reaches.

sunrise 05:35  06:23 one muhūrta on
Saptamī ends 06:37:38
04:4705:1105:3505:5906:2306:4707:1107:35

48 of 48 minutes covered

Saptamī presentThe first muhūrta after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 08:11 on Thu 24 Sep to 06:37 on Fri 25 Sep.

    1925-09-24T02:18:01Z → 1925-09-25T00:44:18Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:35–06:23 on the 24th, 05:35–06:23 on the 25th.

    udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one morning qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 830 s

  5. 05

    Ruling

    Durgā Saptamī, Chattogram, 1925: Friday 25 September.

    confidence: determinate

Say it like this

In Chattogram, Durgā Saptamī 1925 falls on Friday 25 September. Saptamī runs from 08:11 on Thu 24 Sep to 06:37 on Fri 25 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/chattogram/festivals/1925/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 25 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 25 Sep
compat-drikpanchangComparison profileFri 25 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/durga-saptami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
The first muhūrta after sunrise
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīSunrise 24thCoveredSunrise 25thCoveredRuled
Los Angeles18:18 → 16:4405:4248 min05:430 min24 Sep
Chicago21:18 → 19:4406:4048 min06:410 min24 Sep
Jersey City22:18 → 20:4406:4648 min06:470 min24 Sep
Port of Spain22:18 → 20:4405:5548 min05:550 min24 Sep
London03:18 → 01:4406:4948 min06:510 min24 Sep
Durban04:18 → 02:4405:4449 min05:430 min24 Sep
Dubai06:18 → 04:4406:0838 min06:080 min24 Sep
Delhi07:48 → 06:1406:100 min06:114 min24 Sep
Kolkata07:48 → 06:1405:260 min05:2648 min24 Sep
Singapore09:18 → 07:4405:540 min05:5448 min25 Sep
Sydney12:18 → 10:4405:440 min05:4249 min25 Sep
Suva14:18 → 12:4405:550 min05:5449 min25 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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