Ruling · Durgā Saptamī · 1912

Thursday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 570 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings

One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.

Morning of Thursday 17 October

Taken. The only morning Saptamī reaches.

sunrise 06:29  07:14 one muhūrta on
05:4106:0506:2906:5307:1707:4108:05

45 of 45 minutes covered

Morning of Friday 18 October

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

sunrise 06:30  07:14 one muhūrta on
05:4206:0606:3006:5407:1807:4208:06

0 of 44 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 19:09 on Wed 16 Oct to 21:00 on Thu 17 Oct.

    1912-10-16T11:08:37Z → 1912-10-17T12:59:57Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:29–07:14 on the 17th, 06:30–07:14 on the 18th.

    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 45 of 45 minutes on the 17th and 0 of 44 on the 18th.

    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 34205 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1912: Thursday 17 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1912 falls on Thursday 17 October. Saptamī runs from 19:09 on Wed 16 Oct to 21:00 on Thu 17 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1912/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 17 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 17 Oct
compat-drikpanchangComparison profileThu 17 Oct
No institution has a recorded ruling for Baoding.

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 16thCoveredSunrise 17thCoveredRuled
Los Angeles03:09 → 05:0005:5945 min06:000 min16 Oct
Chicago05:09 → 07:0006:0444 min06:0544 min17 Oct
Jersey City06:09 → 08:0006:0944 min06:1044 min17 Oct
Port of Spain07:09 → 09:0005:550 min05:5547 min17 Oct
London11:09 → 13:0006:260 min06:2742 min17 Oct
Durban13:09 → 15:0005:180 min05:1751 min17 Oct
Dubai14:50 → 16:4105:580 min05:5946 min17 Oct
Delhi16:39 → 18:3006:220 min06:2346 min17 Oct
Kolkata16:39 → 18:3005:330 min05:3446 min17 Oct
Singapore18:09 → 20:0005:480 min05:4848 min17 Oct
Sydney21:09 → 23:0005:140 min05:1352 min17 Oct
Suva23:04 → 00:5505:320 min05:3250 min17 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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