Ruling · Durgā Saptamī · 2009

Friday 25 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 385 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings

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

Morning of Friday 25 September

Taken. The only morning Saptamī reaches.

sunrise 06:09  06:57 one muhūrta on
05:2105:4506:0906:3306:5707:2107:4508:09

48 of 48 minutes covered

Morning of Saturday 26 September

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

sunrise 06:09  06:57 one muhūrta on
05:2105:4506:0906:3306:5707:2107:4508:09

0 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 21:59 on Thu 24 Sep to 23:44 on Fri 25 Sep.

    2009-09-24T13:58:39Z → 2009-09-25T15:44:11Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:09–06:57 on the 25th, 06:09–06:57 on the 26th.

    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 25th and 0 of 48 on the 26th.

    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 23114 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2009: Friday 25 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 2009 falls on Friday 25 September. Saptamī runs from 21:59 on Thu 24 Sep to 23:44 on Fri 25 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/2009/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 Baoding.

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 Angeles06:59 → 08:4406:4332 min06:4448 min25 Sep
Chicago08:59 → 10:4406:410 min06:4248 min25 Sep
Jersey City09:59 → 11:4406:460 min06:4748 min25 Sep
Port of Spain09:59 → 11:4405:550 min05:5548 min25 Sep
London14:59 → 16:4406:500 min06:5248 min25 Sep
Durban15:59 → 17:4405:430 min05:4249 min25 Sep
Dubai17:59 → 19:4406:080 min06:0948 min25 Sep
Delhi19:29 → 21:1406:110 min06:1148 min25 Sep
Kolkata19:29 → 21:1405:260 min05:2648 min25 Sep
Singapore21:59 → 23:4406:540 min06:5348 min25 Sep
Sydney23:59 → 01:4405:430 min05:4149 min25 Sep
Suva01:59 → 03:4405:550 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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