Ruling · Durgā Saptamī · 1968

Saturday 28 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 64 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 Saturday 28 September

Taken. The only morning Saptamī reaches.

sunrise 05:34  06:22 one muhūrta on
04:4605:1005:3405:5806:2206:4607:10

47 of 47 minutes covered

Morning of Sunday 29 September

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

sunrise 05:36  06:23 one muhūrta on
04:4805:1205:3606:0006:2406:4807:12

0 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 04:30 on Sat 28 Sep to 02:11 on Sun 29 Sep.

    1968-09-27T20:29:57Z → 1968-09-28T18:10:49Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:34–06:22 on the 28th, 05:36–06:23 on the 29th.

    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 47 of 47 minutes on the 28th and 0 of 47 on the 29th.

    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 3865 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 1968: Saturday 28 September.

    confidence: determinate

Say it like this

In Daqing, Durgā Saptamī 1968 falls on Saturday 28 September. Saptamī runs from 04:30 on Sat 28 Sep to 02:11 on Sun 29 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/daqing/festivals/1968/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 28 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 28 Sep
compat-drikpanchangComparison profileSat 28 Sep
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 27thCoveredSunrise 28thCoveredRuled
Los Angeles13:30 → 11:1106:450 min06:4648 min28 Sep
Chicago15:30 → 13:1106:440 min06:4547 min28 Sep
Jersey City16:30 → 14:1106:490 min06:5048 min28 Sep
Port of Spain16:30 → 14:1105:550 min05:5548 min28 Sep
London21:30 → 19:1106:550 min06:5747 min28 Sep
Durban22:30 → 20:1105:400 min05:3849 min28 Sep
Dubai00:30 → 22:1106:090 min06:1048 min28 Sep
Delhi02:00 → 23:4106:120 min06:1348 min28 Sep
Kolkata02:00 → 23:4105:270 min05:2748 min28 Sep
Singapore04:00 → 01:4106:230 min06:2248 min28 Sep
Sydney06:30 → 04:1105:390 min05:370 min28 Sep
Suva08:30 → 06:1105:520 min05:510 min28 Sep
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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