Ruling · Durgā Saptamī · 1930

Monday 29 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 151 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 28 September

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

sunrise 06:10  06:58 one muhūrta on
05:2205:4606:1006:3406:5807:2207:46

0 of 48 minutes covered

Morning of Monday 29 September

Taken. The only morning Saptamī reaches.

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

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 09:29 on Sun 28 Sep to 10:18 on Mon 29 Sep.

    1930-09-28T01:29:05Z → 1930-09-29T02:17:55Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:10–06:58 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 0 of 48 minutes on the 28th and 48 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 9053 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1930: Monday 29 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1930 falls on Monday 29 September. Saptamī runs from 09:29 on Sun 28 Sep to 10:18 on Mon 29 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1930/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 29 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 29 Sep
compat-drikpanchangComparison profileMon 29 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 28thCoveredSunrise 29thCoveredRuled
Los Angeles17:29 → 18:1805:4548 min05:460 min28 Sep
Chicago20:29 → 20:1805:4448 min05:450 min28 Sep
Jersey City21:29 → 21:1805:4948 min05:500 min28 Sep
Port of Spain21:29 → 22:1805:5548 min05:550 min28 Sep
London02:29 → 03:1806:5547 min06:570 min28 Sep
Durban03:29 → 04:1805:3949 min05:380 min28 Sep
Dubai05:29 → 06:1806:0948 min06:108 min28 Sep
Delhi06:59 → 07:4806:121 min06:1348 min29 Sep
Kolkata06:59 → 07:4805:270 min05:2748 min29 Sep
Singapore08:29 → 09:1805:530 min05:5248 min29 Sep
Sydney11:29 → 12:1805:380 min05:3749 min29 Sep
Suva13:29 → 14:1805:520 min05:5149 min29 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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