Ruling · Durgā Saptamī · 2013

Friday 11 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 483 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 11 October

Taken. The only morning Saptamī reaches.

sunrise 06:24  07:09 one muhūrta on
05:3606:0006:2406:4807:1207:3608:00

45 of 45 minutes covered

Morning of Saturday 12 October

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

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

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 22:21 on Thu 10 Oct to 20:08 on Fri 11 Oct.

    2013-10-10T14:20:46Z → 2013-10-11T12:08:30Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:24–07:09 on the 11th, 06:25–07:10 on the 12th.

    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 45 of 45 minutes on the 11th and 0 of 45 on the 12th.

    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 28968 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2013: Friday 11 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 2013 falls on Friday 11 October. Saptamī runs from 22:21 on Thu 10 Oct to 20:08 on Fri 11 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/2013/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 11 Oct
compat-drikpanchangComparison profileFri 11 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 10thCoveredSunrise 11thCoveredRuled
Los Angeles07:21 → 05:0806:5520 min06:550 min10 Oct
Chicago09:21 → 07:0806:580 min06:5910 min10 Oct
Jersey City10:21 → 08:0807:030 min07:0445 min11 Oct
Port of Spain10:21 → 08:0805:550 min05:5548 min11 Oct
London15:21 → 13:0807:170 min07:1844 min11 Oct
Durban16:21 → 14:0805:240 min05:2351 min11 Oct
Dubai18:21 → 16:0806:150 min06:1547 min11 Oct
Delhi19:51 → 17:3806:190 min06:2046 min11 Oct
Kolkata19:51 → 17:3805:310 min05:3247 min11 Oct
Singapore22:21 → 20:0806:490 min06:4948 min11 Oct
Sydney01:21 → 23:0806:210 min06:2051 min11 Oct
Suva02:21 → 00:0805:420 min05:4150 min11 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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