Ruling · Durgā Saptamī · 2018

Tuesday 16 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 203 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 15 October

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

sunrise 06:27  07:12 one muhūrta on
05:3906:0306:2706:5107:1507:3908:03

0 of 45 minutes covered

Morning of Tuesday 16 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

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 10:35 on Mon 15 Oct to 12:47 on Tue 16 Oct.

    2018-10-15T02:35:01Z → 2018-10-16T04:46:42Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:27–07:12 on the 15th, 06:28–07:13 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 0 of 45 minutes on the 15th and 45 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 12172 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 2018: Tuesday 16 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 2018 falls on Tuesday 16 October. Saptamī runs from 10:35 on Mon 15 Oct to 12:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/2018/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 16 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 16 Oct
compat-drikpanchangComparison profileTue 16 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 15thCoveredSunrise 16thCoveredRuled
Los Angeles19:35 → 21:4706:5845 min06:590 min15 Oct
Chicago21:35 → 23:4707:0344 min07:040 min15 Oct
Jersey City22:35 → 00:4707:0845 min07:090 min15 Oct
Port of Spain22:35 → 00:4705:5548 min05:550 min15 Oct
London03:35 → 05:4707:2543 min07:260 min15 Oct
Durban04:35 → 06:4705:1851 min05:1751 min16 Oct
Dubai06:35 → 08:4706:1728 min06:1846 min16 Oct
Delhi08:05 → 10:1706:220 min06:2346 min16 Oct
Kolkata08:05 → 10:1705:330 min05:3446 min16 Oct
Singapore10:35 → 12:4706:480 min06:4848 min16 Oct
Sydney13:35 → 15:4706:150 min06:1352 min16 Oct
Suva14:35 → 16:4705:380 min05:3750 min16 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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