Ruling · Durgā Navamī · 1973

Sunday 4 November

Determinatein Aleppo, under the Rashtriya Panchang method. Clear of every threshold by 591 minutes.

Decide it for

36°12′ N 37°10′ E · Asia/Damascus · GeoNames 170063

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 3 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:51  11:39 madhyāhna ends
10:0310:2710:5111:1511:3912:0312:27

0 of 48 minutes covered

Midday of Sunday 4 November

Taken. The only midday Navamī reaches.

madhyāhna begins 10:51  11:39 madhyāhna ends
10:0310:2710:5111:1511:3912:0312:27

48 of 48 minutes covered

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 21:30 on Sat 3 Nov to 23:01 on Sun 4 Nov.

    1973-11-03T19:29:50Z → 1973-11-04T21:01:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 3rd, 10:51–11:39 on the 4th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 35466 s

  5. 05

    Ruling

    Durgā Navamī, Aleppo, 1973: Sunday 4 November.

    confidence: determinate

Say it like this

In Aleppo, Durgā Navamī 1973 falls on Sunday 4 November. Navamī runs from 21:30 on Sat 3 Nov to 23:01 on Sun 4 Nov and covers all of madhyāhna that midday.

ahargana.org/aleppo/festivals/1973/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 4 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 4 Nov
compat-drikpanchangComparison profileSun 4 Nov
No institution has a recorded ruling for Aleppo.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/durga-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles11:30 → 13:0111:1231 min11:1248 min3 Nov
Chicago13:30 → 15:0111:100 min11:1048 min4 Nov
Jersey City14:30 → 16:0111:160 min11:1648 min4 Nov
Port of Spain15:30 → 17:0111:260 min11:2648 min4 Nov
London19:30 → 21:0111:200 min11:2048 min4 Nov
Durban21:30 → 23:0111:160 min11:1648 min4 Nov
Dubai23:30 → 01:0111:380 min11:3848 min4 Nov
Delhi01:00 → 02:3111:410 min11:4148 min4 Nov
Kolkata01:00 → 02:3110:560 min10:5648 min4 Nov
Singapore03:00 → 04:3111:540 min11:5448 min4 Nov
Sydney06:30 → 08:0112:150 min12:1548 min4 Nov
Suva07:30 → 09:0111:260 min11:2648 min4 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa