Ruling · Durgā Saptamī · 1905

Thursday 5 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 138 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 Wednesday 4 October

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

sunrise 06:16  07:03 one muhūrta on
05:2805:5206:1606:4007:0407:2807:52

0 of 47 minutes covered

Morning of Thursday 5 October

Taken. The only morning Saptamī reaches.

sunrise 06:17  07:04 one muhūrta on
05:2905:5306:1706:4107:0507:2907:53

47 of 47 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 10:50 on Wed 4 Oct to 09:22 on Thu 5 Oct.

    1905-10-04T02:50:02Z → 1905-10-05T01:21:41Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:16–07:03 on the 4th, 06:17–07:04 on the 5th.

    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 47 minutes on the 4th and 47 of 47 on the 5th.

    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 8286 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1905: Thursday 5 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1905 falls on Thursday 5 October. Saptamī runs from 10:50 on Wed 4 Oct to 09:22 on Thu 5 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1905/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 5 Oct
compat-drikpanchangComparison profileThu 5 Oct
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 4thCoveredSunrise 5thCoveredRuled
Los Angeles18:50 → 17:2205:5047 min05:500 min4 Oct
Chicago20:50 → 19:2205:5047 min05:510 min4 Oct
Jersey City21:50 → 20:2205:5647 min05:570 min4 Oct
Port of Spain22:50 → 21:2205:5548 min05:550 min4 Oct
London02:50 → 01:2206:0546 min06:070 min4 Oct
Durban04:50 → 03:2205:3250 min05:310 min4 Oct
Dubai06:31 → 05:0305:539 min05:530 min4 Oct
Delhi08:11 → 06:4306:060 min06:0736 min4 Oct
Kolkata08:11 → 06:4305:200 min05:2047 min5 Oct
Singapore09:50 → 08:2205:510 min05:5148 min5 Oct
Sydney12:50 → 11:2205:300 min05:2950 min5 Oct
Suva14:45 → 13:1705:420 min05:4149 min5 Oct
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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