Ruling · Durgā Saptamī · 1931

Saturday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 62 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 Saturday 17 October

Taken. The only morning Saptamī reaches.

sunrise 06:28  07:13 one muhūrta on
05:4006:0406:2806:5207:1607:4008:04

45 of 45 minutes covered

Morning of Sunday 18 October

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

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

0 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 05:26 on Sat 17 Oct to 05:10 on Sun 18 Oct.

    1931-10-16T21:26:22Z → 1931-10-17T21:09:48Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:28–07:13 on the 17th, 06:29–07:14 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 45 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 3723 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1931: Saturday 17 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1931 falls on Saturday 17 October. Saptamī runs from 05:26 on Sat 17 Oct to 05:10 on Sun 18 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1931/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 17 Oct
compat-drikpanchangComparison profileSat 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 Angeles13:26 → 13:1005:590 min05:5945 min17 Oct
Chicago15:26 → 15:1006:030 min06:0544 min17 Oct
Jersey City16:26 → 16:1006:080 min06:0944 min17 Oct
Port of Spain17:26 → 17:1005:550 min05:5548 min17 Oct
London21:26 → 21:1006:250 min06:2643 min17 Oct
Durban23:26 → 23:1005:180 min05:1751 min17 Oct
Dubai01:26 → 01:1006:170 min06:1846 min17 Oct
Delhi02:56 → 02:4006:220 min06:2346 min17 Oct
Kolkata02:56 → 02:4005:330 min05:3446 min17 Oct
Singapore04:26 → 04:1005:480 min05:4848 min17 Oct
Sydney07:26 → 07:1005:150 min05:130 min18 Oct
Suva09:26 → 09:1005:380 min05:370 min18 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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