Ruling · Durgā Saptamī · 1903

Monday 28 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 12 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 Sunday 27 September

Saptamī holds for 12 of 48 minutes of the first muhūrta after sunrise, not all of it. Not taken.

sunrise 06:09  06:57 one muhūrta on
Saptamī begins 06:45:08
05:2105:4506:0906:3306:5707:2107:4508:09

12 of 48 minutes covered, the last 12

Morning of Monday 28 September

Taken. The only morning Saptamī reaches.

sunrise 06:10  06:58 one muhūrta on
05:2205:4606:1006:3406:5807:2207:4608:10

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 06:45 on Sun 27 Sep to 08:12 on Mon 28 Sep.

    1903-09-26T22:45:08Z → 1903-09-28T00:12:16Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:09–06:57 on the 27th, 06:10–06:58 on the 28th.

    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 12 of 48 minutes on the 27th and 48 of 48 on the 28th.

    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 716 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1903: Monday 28 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1903 falls on Monday 28 September. Saptamī runs from 06:45 on Sun 27 Sep to 08:12 on Mon 28 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1903/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 28 Sep
compat-drikpanchangComparison profileMon 28 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 26thCoveredSunrise 28thCoveredRuled
Los Angeles14:45 → 16:1205:430 min05:450 min27 Sep
Chicago16:45 → 18:1205:410 min05:430 min27 Sep
Jersey City17:45 → 19:1205:470 min05:490 min27 Sep
Port of Spain18:45 → 20:1205:550 min05:550 min27 Sep
London22:45 → 00:1205:510 min05:540 min27 Sep
Durban00:45 → 02:1205:420 min05:400 min27 Sep
Dubai02:26 → 03:5305:490 min05:500 min27 Sep
Delhi04:06 → 05:3306:020 min06:030 min27 Sep
Kolkata04:06 → 05:3305:170 min05:1815 min27 Sep
Singapore05:40 → 07:0705:480 min05:4848 min28 Sep
Sydney08:45 → 10:1205:420 min05:3949 min28 Sep
Suva10:40 → 12:0705:490 min05:4749 min28 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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