Ruling · Durgā Saptamī · 1910

Tuesday 11 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 23 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 Monday 10 October

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

sunrise 05:49  06:34 one muhūrta on
Saptamī begins 06:56:59
05:0105:2505:4906:1306:3707:0107:25

0 of 45 minutes covered

Morning of Tuesday 11 October

Taken. The only morning Saptamī reaches.

sunrise 05:50  06:35 one muhūrta on
05:0205:2605:5006:1406:3807:0207:26

45 of 45 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 06:57 on Mon 10 Oct to 08:55 on Tue 11 Oct.

    1910-10-09T22:57:00Z → 1910-10-11T00:54:56Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:49–06:34 on the 10th, 05:50–06:35 on the 11th.

    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 45 minutes on the 10th and 45 of 45 on the 11th.

    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 1369 s

  5. 05

    Ruling

    Durgā Saptamī, Daqing, 1910: Tuesday 11 October.

    confidence: determinate

Say it like this

In Daqing, Durgā Saptamī 1910 falls on Tuesday 11 October. Saptamī runs from 06:57 on Mon 10 Oct to 08:55 on Tue 11 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/daqing/festivals/1910/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 11 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 11 Oct
compat-drikpanchangComparison profileTue 11 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 9thCoveredSunrise 11thCoveredRuled
Los Angeles14:57 → 16:5505:530 min05:550 min10 Oct
Chicago16:57 → 18:5505:560 min05:580 min10 Oct
Jersey City17:57 → 19:5506:010 min06:030 min10 Oct
Port of Spain18:57 → 20:5505:550 min05:550 min10 Oct
London22:57 → 00:5506:130 min06:160 min10 Oct
Durban00:57 → 02:5505:260 min05:240 min10 Oct
Dubai02:38 → 04:3605:550 min05:560 min10 Oct
Delhi04:27 → 06:2506:180 min06:196 min10 Oct
Kolkata04:27 → 06:2505:310 min05:3147 min11 Oct
Singapore05:57 → 07:5505:500 min05:4948 min11 Oct
Sydney08:57 → 10:5505:240 min05:2151 min11 Oct
Suva10:52 → 12:5005:380 min05:3750 min11 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