Ruling · Durgā Saptamī · 1971

Monday 27 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 304 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 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

Morning of Monday 27 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 12:01 on Sun 26 Sep to 13:02 on Mon 27 Sep.

    1971-09-26T04:01:12Z → 1971-09-27T05:01:58Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:09–06:57 on the 26th, 06:10–06:58 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 18267 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1971: Monday 27 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1971 falls on Monday 27 September. Saptamī runs from 12:01 on Sun 26 Sep to 13:02 on Mon 27 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1971/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 27 Sep
compat-drikpanchangComparison profileMon 27 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 27thCoveredRuled
Los Angeles21:01 → 22:0206:4448 min06:440 min26 Sep
Chicago23:01 → 00:0206:4248 min06:430 min26 Sep
Jersey City00:01 → 01:0206:4748 min06:480 min26 Sep
Port of Spain00:01 → 01:0205:5548 min05:550 min26 Sep
London05:01 → 06:0206:5248 min06:540 min26 Sep
Durban06:01 → 07:0205:4229 min05:4049 min27 Sep
Dubai08:01 → 09:0206:090 min06:0948 min27 Sep
Delhi09:31 → 10:3206:110 min06:1248 min27 Sep
Kolkata09:31 → 10:3205:260 min05:2748 min27 Sep
Singapore11:31 → 12:3206:230 min06:2348 min27 Sep
Sydney14:01 → 15:0205:410 min05:4049 min27 Sep
Suva16:01 → 17:0205:540 min05:5349 min27 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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