Ruling · Durgā Saptamī · 1907

Sunday 13 October

Boundaryin Baoding, under the Rashtriya Panchang method. Saptamī reaches the first muhūrta after sunrise on neither day and the rule does not say what then. Say “contested”.

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 Sunday 13 October

Taken. Saptamī reaches neither morning; this is the day it falls on.

sunrise 06:24  07:10 one muhūrta on
05:3606:0006:2406:4807:1207:3608:00

0 of 45 minutes covered

Morning of Monday 14 October

Saptamī holds for 37 of 45 minutes of the first muhūrta after sunrise, not all of it. Not taken.

sunrise 06:25  07:10 one muhūrta on
Saptamī ends 07:02:24
05:3706:0106:2506:4907:1307:3708:01

37 of 45 minutes covered, the first 37

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 09:03 on Sun 13 Oct to 07:02 on Mon 14 Oct.

    1907-10-13T01:02:42Z → 1907-10-13T23:02:25Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:24–07:10 on the 13th, 06:25–07:10 on the 14th.

    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 13th and 37 of 45 on the 14th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither morning qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 481 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1907: Sunday 13 October.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Durgā Saptamī 1907 falls on Sunday 13 October. Saptamī runs from 09:03 on Sun 13 Oct to 07:02 on Mon 14 Oct, and reaches the first muhūrta after sunrise on neither day.

ahargana.org/baoding/festivals/1907/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 13 Oct
compat-drikpanchangComparison profileSun 13 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 13thCoveredSunrise 14thCoveredRuled
Los Angeles17:03 → 15:0205:5646 min05:570 min13 Oct
Chicago19:03 → 17:0206:0045 min06:010 min13 Oct
Jersey City20:03 → 18:0206:0445 min06:060 min13 Oct
Port of Spain21:03 → 19:0205:5548 min05:550 min13 Oct
London01:03 → 23:0206:1944 min06:210 min13 Oct
Durban03:03 → 01:0205:2251 min05:210 min13 Oct
Dubai04:44 → 02:4305:5747 min05:570 min13 Oct
Delhi06:33 → 04:3206:2034 min06:210 min13 Oct
Kolkata06:33 → 04:3205:320 min05:320 min13 Oct
Singapore08:03 → 06:0205:490 min05:4914 min13 Oct
Sydney11:03 → 09:0205:190 min05:1751 min14 Oct
Suva12:58 → 10:5705:350 min05:3550 min14 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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