Ruling · Durgā Saptamī · 2068

Thursday 4 October

Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 4 min 41 s away. Say “contested”.

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 3 October

Saptamī holds for 7 of 46 minutes of the first muhūrta after sunrise, not all of it. Not taken.

sunrise 05:42  06:28 one muhūrta on
Saptamī begins 06:21:05
04:5405:1805:4206:0606:3006:5407:18

7 of 46 minutes covered, the last 7

Morning of Thursday 4 October

Taken. The only morning Saptamī reaches.

sunrise 05:44  06:30 one muhūrta on
Saptamī ends 06:34:12
04:5605:2005:4406:0806:3206:5607:20

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 06:21 on Wed 3 Oct to 06:34 on Thu 4 Oct.

    2068-10-02T22:21:05Z → 2068-10-03T22:34:12Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:42–06:28 on the 3rd, 05:44–06:30 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 7 of 46 minutes on the 3rd and 46 of 46 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 281 s < 300 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 2068: Thursday 4 October.

    confidence: boundary (margin)

Say it like this

In Daqing, Durgā Saptamī 2068 falls on Thursday 4 October. Saptamī runs from 06:21 on Wed 3 Oct to 06:34 on Thu 4 Oct and covers all of the first muhūrta after sunrise that morning. It is 4 min 41 s from a threshold: treat the date as contested.

ahargana.org/daqing/festivals/2068/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 4 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 4 Oct
compat-drikpanchangComparison profileThu 4 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 2ndCoveredSunrise 3rdCoveredRuled
Los Angeles15:21 → 15:3406:490 min06:5047 min3 Oct
Chicago17:21 → 17:3406:500 min06:5146 min3 Oct
Jersey City18:21 → 18:3406:550 min06:5646 min3 Oct
Port of Spain18:21 → 18:3405:550 min05:5548 min3 Oct
London23:21 → 23:3407:050 min07:0646 min3 Oct
Durban00:21 → 00:3405:330 min05:3150 min3 Oct
Dubai02:21 → 02:3406:120 min06:1247 min3 Oct
Delhi03:51 → 04:0406:150 min06:1647 min3 Oct
Kolkata03:51 → 04:0405:290 min05:2947 min3 Oct
Singapore06:21 → 06:3406:510 min06:5148 min3 Oct
Sydney08:21 → 08:3405:310 min05:290 min4 Oct
Suva10:21 → 10:3405:480 min05:470 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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