Ruling · Durgā Saptamī · 2040

Friday 12 October

Boundaryin Baoding, under the Rashtriya Panchang method. Saptamī reaches the first muhūrta after sunrise on neither day and the rule does not say what then. Say “contested”.

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 12 October

Taken. Saptamī reaches neither morning; this is the day it falls on.

sunrise 06:25  07:10 one muhūrta on
Saptamī begins 07:39:18
05:3706:0106:2506:4907:1307:3708:01

0 of 45 minutes covered

Morning of Saturday 13 October

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

sunrise 06:26  07:11 one muhūrta on
Saptamī ends 05:43:38
05:3806:0206:2606:5007:1407:3808:02

0 of 45 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 07:39 on Fri 12 Oct to 05:44 on Sat 13 Oct.

    2040-10-11T23:39:19Z → 2040-10-12T21:43:39Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:25–07:10 on the 12th, 06:26–07:11 on the 13th.

    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 45 minutes on the 12th and 0 of 45 on the 13th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither morning qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 1744 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2040: Friday 12 October.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Durgā Saptamī 2040 falls on Friday 12 October. Saptamī runs from 07:39 on Fri 12 Oct to 05:44 on Sat 13 Oct, and reaches the first muhūrta after sunrise on neither day.

ahargana.org/baoding/festivals/2040/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 12 Oct
compat-drikpanchangComparison profileFri 12 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles16:39 → 14:4406:560 min06:5746 min12 Oct
Chicago18:39 → 16:4407:000 min07:0145 min12 Oct
Jersey City19:39 → 17:4407:040 min07:0545 min12 Oct
Port of Spain19:39 → 17:4405:550 min05:5548 min12 Oct
London00:39 → 22:4407:190 min07:2143 min12 Oct
Durban01:39 → 23:4405:220 min05:2151 min12 Oct
Dubai03:39 → 01:4406:160 min06:1647 min12 Oct
Delhi05:09 → 03:1406:200 min06:2146 min12 Oct
Kolkata05:09 → 03:1405:320 min05:3247 min12 Oct
Singapore07:39 → 05:4406:490 min06:490 min12 Oct
Sydney10:39 → 08:4406:190 min06:180 min13 Oct
Suva11:39 → 09:4405:400 min05:400 min13 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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