Ruling · Durgā Saptamī · 1945

Saturday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 75 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 13 October

Taken. The only morning Saptamī reaches.

sunrise 06:25  07:10 one muhūrta on
05:3706:0106:2506:4907:1307:3708:01

45 of 45 minutes covered

Morning of Sunday 14 October

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

sunrise 06:26  07:11 one muhūrta on
05:3806:0206:2606:5007:1407:3808:02

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 03:45 on Sat 13 Oct to 05:11 on Sun 14 Oct.

    1945-10-12T19:45:19Z → 1945-10-13T21:11:19Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:25–07:10 on the 13th, 06:26–07:11 on the 14th.

    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 13th and 0 of 45 on the 14th.

    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 4483 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1945: Saturday 13 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1945 falls on Saturday 13 October. Saptamī runs from 03:45 on Sat 13 Oct to 05:11 on Sun 14 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1945/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 13 Oct
compat-drikpanchangComparison profileSat 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles11:45 → 13:1105:560 min05:5746 min13 Oct
Chicago13:45 → 15:1106:000 min06:0145 min13 Oct
Jersey City14:45 → 16:1106:040 min06:0545 min13 Oct
Port of Spain15:45 → 17:1105:550 min05:5548 min13 Oct
London19:45 → 21:1106:190 min06:2143 min13 Oct
Durban21:45 → 23:1105:220 min05:2151 min13 Oct
Dubai23:45 → 01:1106:160 min06:1647 min13 Oct
Delhi02:15 → 03:4107:200 min07:2146 min13 Oct
Kolkata02:15 → 03:4106:320 min06:3247 min13 Oct
Singapore03:15 → 04:4106:190 min06:1948 min13 Oct
Sydney05:45 → 07:1105:190 min05:1824 min14 Oct
Suva07:45 → 09:1105:400 min05:400 min14 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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