Ruling · Durgā Saptamī · 1937

Tuesday 12 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 69 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 Monday 11 October

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

sunrise 06:23  07:09 one muhūrta on
05:3505:5906:2306:4707:1107:3507:59

0 of 46 minutes covered

Morning of Tuesday 12 October

Taken. The only morning Saptamī reaches.

sunrise 06:24  07:09 one muhūrta on
05:3606:0006:2406:4807:1207:3608:00

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 08:18 on Mon 11 Oct to 10:44 on Tue 12 Oct.

    1937-10-11T00:17:41Z → 1937-10-12T02:43:54Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:23–07:09 on the 11th, 06:24–07:09 on the 12th.

    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 46 minutes on the 11th and 45 of 45 on the 12th.

    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 4147 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1937: Tuesday 12 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1937 falls on Tuesday 12 October. Saptamī runs from 08:18 on Mon 11 Oct to 10:44 on Tue 12 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1937/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 12 Oct
compat-drikpanchangComparison profileTue 12 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles16:18 → 18:4405:5546 min05:560 min11 Oct
Chicago18:18 → 20:4405:5845 min05:590 min11 Oct
Jersey City19:18 → 21:4406:0345 min06:040 min11 Oct
Port of Spain20:18 → 22:4405:5548 min05:550 min11 Oct
London00:18 → 02:4406:1744 min06:190 min11 Oct
Durban02:18 → 04:4405:2351 min05:220 min11 Oct
Dubai04:18 → 06:4406:1547 min06:1628 min11 Oct
Delhi05:48 → 08:1406:1946 min06:2046 min12 Oct
Kolkata05:48 → 08:1405:3131 min05:3247 min12 Oct
Singapore07:38 → 10:0406:090 min06:0948 min12 Oct
Sydney10:18 → 12:4405:200 min05:1951 min12 Oct
Suva12:18 → 14:4405:410 min05:4050 min12 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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