Ruling · Durgā Saptamī · 1987

Wednesday 30 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 38 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 Tuesday 29 September

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

sunrise 06:12  06:59 one muhūrta on
05:2405:4806:1206:3607:0007:2407:48

0 of 48 minutes covered

Morning of Wednesday 30 September

Taken. The only morning Saptamī reaches.

sunrise 06:12  07:00 one muhūrta on
Saptamī ends 07:37:48
05:2405:4806:1206:3607:0007:2407:48

47 of 47 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 09:21 on Tue 29 Sep to 07:38 on Wed 30 Sep.

    1987-09-29T01:20:31Z → 1987-09-29T23:37:48Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:12–06:59 on the 29th, 06:12–07:00 on the 30th.

    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 48 minutes on the 29th and 47 of 47 on the 30th.

    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 2276 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1987: Wednesday 30 September.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1987 falls on Wednesday 30 September. Saptamī runs from 09:21 on Tue 29 Sep to 07:38 on Wed 30 Sep and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1987/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 30 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 30 Sep
compat-drikpanchangComparison profileWed 30 Sep
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 29thCoveredSunrise 30thCoveredRuled
Los Angeles18:21 → 16:3806:4648 min06:470 min29 Sep
Chicago20:21 → 18:3806:4547 min06:460 min29 Sep
Jersey City21:21 → 19:3806:5147 min06:520 min29 Sep
Port of Spain21:21 → 19:3805:5548 min05:550 min29 Sep
London02:21 → 00:3806:5747 min06:590 min29 Sep
Durban03:21 → 01:3805:3849 min05:370 min29 Sep
Dubai05:21 → 03:3806:1048 min06:100 min29 Sep
Delhi06:51 → 05:0806:1310 min06:130 min29 Sep
Kolkata06:51 → 05:0805:270 min05:280 min29 Sep
Singapore09:21 → 07:3806:520 min06:5246 min29 Sep
Sydney11:21 → 09:3805:370 min05:3549 min30 Sep
Suva13:21 → 11:3805:510 min05:5049 min30 Sep
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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