Ruling · Durgā Saptamī · 2037

Thursday 15 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 636 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 15 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 Friday 16 October

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

sunrise 06:29  07:13 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 19:43 on Wed 14 Oct to 19:52 on Thu 15 Oct.

    2037-10-14T11:43:08Z → 2037-10-15T11:52:18Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:28–07:13 on the 15th, 06:29–07:13 on the 16th.

    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 15th and 0 of 45 on the 16th.

    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 38185 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2037: Thursday 15 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 2037 falls on Thursday 15 October. Saptamī runs from 19:43 on Wed 14 Oct to 19:52 on Thu 15 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/2037/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 15 Oct
compat-drikpanchangComparison profileThu 15 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 14thCoveredSunrise 15thCoveredRuled
Los Angeles04:43 → 04:5206:5845 min06:590 min14 Oct
Chicago06:43 → 06:5207:0344 min07:040 min14 Oct
Jersey City07:43 → 07:5207:079 min07:0844 min14 Oct
Port of Spain07:43 → 07:5205:550 min05:5548 min15 Oct
London12:43 → 12:5207:240 min07:2543 min15 Oct
Durban13:43 → 13:5205:190 min05:1851 min15 Oct
Dubai15:43 → 15:5206:170 min06:1746 min15 Oct
Delhi17:13 → 17:2206:220 min06:2246 min15 Oct
Kolkata17:13 → 17:2205:330 min05:3347 min15 Oct
Singapore19:43 → 19:5206:480 min06:4848 min15 Oct
Sydney22:43 → 22:5206:150 min06:1452 min15 Oct
Suva23:43 → 23:5205:380 min05:3850 min15 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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