Ruling · Durgā Saptamī · 2003

Thursday 2 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 575 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 1 October

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

sunrise 05:38  06:25 one muhūrta on
04:5005:1405:3806:0206:2606:5007:14

0 of 47 minutes covered

Morning of Thursday 2 October

Taken. The only morning Saptamī reaches.

sunrise 05:39  06:26 one muhūrta on
04:5105:1505:3906:0306:2706:5107:15

47 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 18:03 on Wed 1 Oct to 16:01 on Thu 2 Oct.

    2003-10-01T10:02:51Z → 2003-10-02T08:01:03Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:38–06:25 on the 1st, 05:39–06:26 on the 2nd.

    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 47 minutes on the 1st and 47 of 47 on the 2nd.

    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 34520 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 2003: Thursday 2 October.

    confidence: determinate

Say it like this

In Daqing, Durgā Saptamī 2003 falls on Thursday 2 October. Saptamī runs from 18:03 on Wed 1 Oct to 16:01 on Thu 2 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/daqing/festivals/2003/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 2 Oct
compat-drikpanchangComparison profileThu 2 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 1stCoveredSunrise 2ndCoveredRuled
Los Angeles03:03 → 01:0106:4847 min06:480 min1 Oct
Chicago05:03 → 03:0106:4747 min06:480 min1 Oct
Jersey City06:03 → 04:0106:5347 min06:540 min1 Oct
Port of Spain06:03 → 04:0105:5540 min05:550 min1 Oct
London11:03 → 09:0107:010 min07:0246 min2 Oct
Durban12:03 → 10:0105:350 min05:3450 min2 Oct
Dubai14:03 → 12:0106:110 min06:1148 min2 Oct
Delhi15:33 → 13:3106:140 min06:1447 min2 Oct
Kolkata15:33 → 13:3105:280 min05:2848 min2 Oct
Singapore18:03 → 16:0106:520 min06:5148 min2 Oct
Sydney20:03 → 18:0105:340 min05:3250 min2 Oct
Suva22:03 → 20:0105:490 min05:4849 min2 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

About Ahargaṇa