Ruling · Durgā Saptamī · 1938

Saturday 1 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 8 min 31 s.

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 Friday 30 September

Qualifies with 47 of 47 minutes. Not taken.

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

47 of 47 minutes covered

Morning of Saturday 1 October

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

sunrise 05:37  06:24 one muhūrta on
Saptamī ends 06:32:50
04:4905:1305:3706:0106:2506:4907:13

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 04:22 on Fri 30 Sep to 06:33 on Sat 1 Oct.

    1938-09-29T20:22:11Z → 1938-09-30T22:32:50Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:36–06:23 on the 30th, 05:37–06:24 on the 1st.

    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 30th and 47 of 47 on the 1st.

    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 511 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 1938: Saturday 1 October.

    confidence: determinate

Say it like this

In Daqing, Durgā Saptamī 1938 falls on Saturday 1 October. Saptamī runs from 04:22 on Fri 30 Sep to 06:33 on Sat 1 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 47 minutes; by the rule the second morning is taken.

ahargana.org/daqing/festivals/1938/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 1 Oct
compat-drikpanchangComparison profileSat 1 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 29thCoveredSunrise 30thCoveredRuled
Los Angeles12:22 → 14:3305:460 min05:4747 min30 Sep
Chicago14:22 → 16:3305:450 min05:4647 min30 Sep
Jersey City15:22 → 17:3305:500 min05:5147 min30 Sep
Port of Spain16:22 → 18:3305:550 min05:5548 min30 Sep
London21:22 → 23:3306:570 min06:5947 min30 Sep
Durban22:22 → 00:3305:380 min05:3749 min30 Sep
Dubai00:22 → 02:3306:100 min06:1048 min30 Sep
Delhi01:52 → 04:0306:130 min06:1348 min30 Sep
Kolkata01:52 → 04:0305:270 min05:2848 min30 Sep
Singapore03:42 → 05:5306:120 min06:1248 min30 Sep
Sydney06:22 → 08:3305:370 min05:353 min1 Oct
Suva08:22 → 10:3305:510 min05:500 min1 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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