Ruling · Durgā Saptamī · 1964

Tuesday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 112 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 12 October

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

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

0 of 45 minutes covered

Morning of Tuesday 13 October

Taken. The only morning Saptamī reaches.

sunrise 06:25  07:11 one muhūrta on
05:3706:0106:2506:4907:1307:3708:01

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 09:02 on Mon 12 Oct to 11:41 on Tue 13 Oct.

    1964-10-12T01:01:38Z → 1964-10-13T03:40:53Z

  2. 02

    Kāla

    The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:24–07:10 on the 12th, 06:25–07:11 on the 13th.

    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 12th and 45 of 45 on the 13th.

    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 6713 s

  5. 05

    Ruling

    Durgā Saptamī, Baoding, 1964: Tuesday 13 October.

    confidence: determinate

Say it like this

In Baoding, Durgā Saptamī 1964 falls on Tuesday 13 October. Saptamī runs from 09:02 on Mon 12 Oct to 11:41 on Tue 13 Oct and covers all of the first muhūrta after sunrise that morning.

ahargana.org/baoding/festivals/1964/durga-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 13 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 13 Oct
compat-drikpanchangComparison profileTue 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles18:02 → 20:4106:5646 min06:570 min12 Oct
Chicago20:02 → 22:4107:0045 min07:010 min12 Oct
Jersey City21:02 → 23:4107:0545 min07:060 min12 Oct
Port of Spain21:02 → 23:4105:5548 min05:550 min12 Oct
London02:02 → 04:4107:2044 min07:210 min12 Oct
Durban03:02 → 05:4105:2251 min05:2120 min12 Oct
Dubai05:02 → 07:4106:1647 min06:1646 min13 Oct
Delhi06:32 → 09:1106:2035 min06:2146 min13 Oct
Kolkata06:32 → 09:1105:320 min05:3247 min13 Oct
Singapore08:32 → 11:1106:190 min06:1948 min13 Oct
Sydney11:02 → 13:4105:180 min05:1751 min13 Oct
Suva13:02 → 15:4105:400 min05:3950 min13 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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