Ruling · Durgā Saptamī · 2027

Thursday 7 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 12 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two mornings

One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.

Morning of Wednesday 6 October

Qualifies with 46 of 46 minutes. Not taken.

sunrise 05:45  06:30 one muhūrta on
Saptamī begins 05:03:15
04:5705:2105:4506:0906:3306:5707:21

46 of 46 minutes covered

Morning of Thursday 7 October

Taken. Both mornings qualify; the rule takes the second.

sunrise 05:46  06:32 one muhūrta on
Saptamī ends 06:43:40
04:5805:2205:4606:1006:3406:5807:22

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 05:03 on Wed 6 Oct to 06:44 on Thu 7 Oct.

    2027-10-05T21:03:15Z → 2027-10-06T22:43:40Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:45–06:30 on the 6th, 05:46–06:32 on the 7th.

    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 46 of 46 minutes on the 6th and 46 of 46 on the 7th.

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

  4. 04

    Tie-break

    Both mornings qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 729 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 2027: Thursday 7 October.

    confidence: determinate

Say it like this

In Daqing, Durgā Saptamī 2027 falls on Thursday 7 October. Saptamī runs from 05:03 on Wed 6 Oct to 06:44 on Thu 7 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 46 minutes; by the rule the second morning is taken.

ahargana.org/daqing/festivals/2027/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 7 Oct
compat-drikpanchangComparison profileThu 7 Oct
No institution has a recorded ruling for Daqing.

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 5thCoveredSunrise 6thCoveredRuled
Los Angeles14:03 → 15:4406:510 min06:5147 min6 Oct
Chicago16:03 → 17:4406:520 min06:5346 min6 Oct
Jersey City17:03 → 18:4406:570 min06:5846 min6 Oct
Port of Spain17:03 → 18:4405:550 min05:5548 min6 Oct
London22:03 → 23:4407:080 min07:0945 min6 Oct
Durban23:03 → 00:4405:300 min05:2950 min6 Oct
Dubai01:03 → 02:4406:130 min06:1347 min6 Oct
Delhi02:33 → 04:1406:160 min06:1747 min6 Oct
Kolkata02:33 → 04:1405:290 min05:3047 min6 Oct
Singapore05:03 → 06:4406:510 min06:5048 min6 Oct
Sydney08:03 → 09:4406:280 min06:270 min7 Oct
Suva09:03 → 10:4405:460 min05:450 min7 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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