Ruling · Durgā Saptamī · 2087

Saturday 4 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 570 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 3 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 Saturday 4 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 16:33 on Fri 3 Oct to 18:42 on Sat 4 Oct.

    2087-10-03T08:33:15Z → 2087-10-04T10:41:58Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:16–07:03 on the 3rd, 06:17–07:04 on the 4th.

    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 3rd and 47 of 47 on the 4th.

    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 34210 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2087: Saturday 4 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 2087 falls on Saturday 4 October. Saptamī runs from 16:33 on Fri 3 Oct to 18:42 on Sat 4 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/2087/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 4 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 4 Oct
compat-drikpanchangComparison profileSat 4 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 3rdCoveredSunrise 4thCoveredRuled
Los Angeles01:33 → 03:4206:5047 min06:510 min3 Oct
Chicago03:33 → 05:4206:5147 min06:520 min3 Oct
Jersey City04:33 → 06:4206:5647 min06:570 min3 Oct
Port of Spain04:33 → 06:4205:5548 min05:5547 min3 Oct
London09:33 → 11:4207:050 min07:0746 min4 Oct
Durban10:33 → 12:4205:320 min05:3150 min4 Oct
Dubai12:33 → 14:4206:120 min06:1347 min4 Oct
Delhi14:03 → 16:1206:160 min06:1647 min4 Oct
Kolkata14:03 → 16:1205:290 min05:3047 min4 Oct
Singapore16:33 → 18:4206:510 min06:5148 min4 Oct
Sydney18:33 → 20:4205:300 min05:2950 min4 Oct
Suva20:33 → 22:4205:470 min05:4749 min4 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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