Ruling · Durgā Saptamī · 1999

Sunday 17 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 18 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 16 October

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

sunrise 06:28  07:13 one muhūrta on
Saptamī begins 07:30:12
05:4006:0406:2806:5207:1607:4008:04

0 of 45 minutes covered

Morning of Sunday 17 October

Taken. The only morning Saptamī reaches.

sunrise 06:29  07:13 one muhūrta on
05:4106:0506:2906:5307:1707:4108:05

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 07:30 on Sat 16 Oct to 09:56 on Sun 17 Oct.

    1999-10-15T23:30:13Z → 1999-10-17T01:55:38Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:28–07:13 on the 16th, 06:29–07:13 on the 17th.

    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 16th and 45 of 45 on the 17th.

    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 1054 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1999: Sunday 17 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1999 falls on Sunday 17 October. Saptamī runs from 07:30 on Sat 16 Oct to 09:56 on Sun 17 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1999/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 17 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 17 Oct
compat-drikpanchangComparison profileSun 17 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 17thCoveredRuled
Los Angeles16:30 → 18:5606:580 min07:000 min16 Oct
Chicago18:30 → 20:5607:030 min07:050 min16 Oct
Jersey City19:30 → 21:5607:070 min07:100 min16 Oct
Port of Spain19:30 → 21:5605:550 min05:550 min16 Oct
London00:30 → 02:5607:240 min07:270 min16 Oct
Durban01:30 → 03:5605:190 min05:170 min16 Oct
Dubai03:30 → 05:5606:170 min06:180 min16 Oct
Delhi05:00 → 07:2606:220 min06:2346 min17 Oct
Kolkata05:00 → 07:2605:330 min05:3446 min17 Oct
Singapore07:30 → 09:5606:480 min06:4848 min17 Oct
Sydney09:30 → 11:5605:150 min05:1352 min17 Oct
Suva11:30 → 13:5605:380 min05:3750 min17 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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