Ruling · Durgā Saptamī · 1997

Thursday 9 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 100 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 8 October

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

sunrise 06:21  07:07 one muhūrta on
05:3305:5706:2106:4507:0907:3307:57

0 of 46 minutes covered

Morning of Thursday 9 October

Taken. The only morning Saptamī reaches.

sunrise 06:21  07:07 one muhūrta on
05:3305:5706:2106:4507:0907:3307:57

46 of 46 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 09:11 on Wed 8 Oct to 08:47 on Thu 9 Oct.

    1997-10-08T01:10:50Z → 1997-10-09T00:47:29Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:21–07:07 on the 8th, 06:21–07:07 on the 9th.

    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 46 minutes on the 8th and 46 of 46 on the 9th.

    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 6010 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1997: Thursday 9 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1997 falls on Thursday 9 October. Saptamī runs from 09:11 on Wed 8 Oct to 08:47 on Thu 9 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1997/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 9 Oct
compat-drikpanchangComparison profileThu 9 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 8thCoveredSunrise 9thCoveredRuled
Los Angeles18:11 → 17:4706:5346 min06:540 min8 Oct
Chicago20:11 → 19:4706:5546 min06:570 min8 Oct
Jersey City21:11 → 20:4707:0046 min07:010 min8 Oct
Port of Spain21:11 → 20:4705:5548 min05:550 min8 Oct
London02:11 → 01:4707:1345 min07:150 min8 Oct
Durban03:11 → 02:4705:2650 min05:250 min8 Oct
Dubai05:11 → 04:4706:1447 min06:140 min8 Oct
Delhi06:41 → 06:1706:1824 min06:180 min8 Oct
Kolkata06:41 → 06:1705:300 min05:3147 min8 Oct
Singapore09:11 → 08:4706:500 min06:4948 min9 Oct
Sydney11:11 → 10:4705:240 min05:2251 min9 Oct
Suva13:11 → 12:4705:430 min05:4250 min9 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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