Ruling · Durgā Saptamī · 1979

Friday 28 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 291 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 28 September

Taken. The only morning Saptamī reaches.

sunrise 06:11  06:58 one muhūrta on
05:2305:4706:1106:3506:5907:2307:47

48 of 48 minutes covered

Morning of Saturday 29 September

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

sunrise 06:11  06:59 one muhūrta on
05:2305:4706:1106:3506:5907:2307:47

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 01:20 on Fri 28 Sep to 00:49 on Sat 29 Sep.

    1979-09-27T17:19:43Z → 1979-09-28T16:48:39Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:11–06:58 on the 28th, 06:11–06:59 on the 29th.

    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 28th and 0 of 48 on the 29th.

    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 17450 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1979: Friday 28 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1979 falls on Friday 28 September. Saptamī runs from 01:20 on Fri 28 Sep to 00:49 on Sat 29 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1979/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 28 Sep
compat-drikpanchangComparison profileFri 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 27thCoveredSunrise 28thCoveredRuled
Los Angeles10:20 → 09:4906:440 min06:4548 min28 Sep
Chicago12:20 → 11:4906:430 min06:4448 min28 Sep
Jersey City13:20 → 12:4906:480 min06:5048 min28 Sep
Port of Spain13:20 → 12:4905:550 min05:5548 min28 Sep
London18:20 → 17:4906:540 min06:5547 min28 Sep
Durban19:20 → 18:4905:400 min05:3949 min28 Sep
Dubai21:20 → 20:4906:090 min06:1048 min28 Sep
Delhi22:50 → 22:1906:120 min06:1248 min28 Sep
Kolkata22:50 → 22:1905:270 min05:2748 min28 Sep
Singapore00:50 → 00:1906:230 min06:2348 min28 Sep
Sydney03:20 → 02:4905:390 min05:3849 min28 Sep
Suva05:20 → 04:4905:530 min05:5249 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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