Ruling · Durgā Saptamī · 2006

Friday 29 September

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 194 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two mornings

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

Morning of Friday 29 September

Taken. The only morning Saptamī reaches.

sunrise 05:58  06:45 one muhūrta on
05:1005:3405:5806:2206:4607:1007:34

48 of 48 minutes covered

Morning of Saturday 30 September

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

sunrise 05:58  06:46 one muhūrta on
05:1005:3405:5806:2206:4607:1007:34

0 of 47 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 02:36 on Fri 29 Sep to 02:45 on Sat 30 Sep.

    2006-09-28T23:05:42Z → 2006-09-29T23:14:50Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:58–06:45 on the 29th, 05:58–06:46 on the 30th.

    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 48 of 48 minutes on the 29th and 0 of 47 on the 30th.

    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 11613 s

  5. 05

    Ruling

    Durgā Saptamī, Tehran, 2006: Friday 29 September.

    confidence: determinate

Say it like this

In Tehran, Durgā Saptamī 2006 falls on Friday 29 September. Saptamī runs from 02:36 on Fri 29 Sep to 02:45 on Sat 30 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/tehran/festivals/2006/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 29 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 29 Sep
compat-drikpanchangComparison profileFri 29 Sep
No institution has a recorded ruling for Tehran.

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 28thCoveredSunrise 29thCoveredRuled
Los Angeles16:06 → 16:1506:460 min06:4648 min29 Sep
Chicago18:06 → 18:1506:450 min06:4647 min29 Sep
Jersey City19:06 → 19:1506:500 min06:5147 min29 Sep
Port of Spain19:06 → 19:1505:550 min05:5548 min29 Sep
London00:06 → 00:1506:560 min06:5847 min29 Sep
Durban01:06 → 01:1505:390 min05:3749 min29 Sep
Dubai03:06 → 03:1506:100 min06:1048 min29 Sep
Delhi04:36 → 04:4506:120 min06:1348 min29 Sep
Kolkata04:36 → 04:4505:270 min05:2748 min29 Sep
Singapore07:06 → 07:1506:530 min06:5235 min29 Sep
Sydney09:06 → 09:1505:370 min05:360 min30 Sep
Suva11:06 → 11:1505:520 min05:510 min30 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

About Ahargaṇa