Ruling · Durgā Navamī · 1968

Tuesday 29 October

Determinatein Algiers, under the Rashtriya Panchang method. Clear of every threshold by 667 minutes.

Decide it for

36°44′ N 3°05′ E · Africa/Algiers · GeoNames 2507480

The two middays

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

Midday of Tuesday 29 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

48 of 48 minutes covered

Midday of Wednesday 30 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

0 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 00:00 on Mon 28 Oct to 23:07 on Tue 29 Oct.

    1968-10-28T23:59:50Z → 1968-10-29T23:06:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 29th, 11:07–11:55 on the 30th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.

    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 40040 s

  5. 05

    Ruling

    Durgā Navamī, Algiers, 1968: Tuesday 29 October.

    confidence: determinate

Say it like this

In Algiers, Durgā Navamī 1968 falls on Tuesday 29 October. Navamī runs from 00:00 on Mon 28 Oct to 23:07 on Tue 29 Oct and covers all of madhyāhna that midday.

ahargana.org/algiers/festivals/1968/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 29 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 29 Oct
compat-drikpanchangComparison profileTue 29 Oct
No institution has a recorded ruling for Algiers.

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 28thCoveredMadhyāhna 29thCoveredRuled
Los Angeles16:00 → 15:0711:130 min11:1248 min29 Oct
Chicago18:00 → 17:0711:100 min11:1048 min29 Oct
Jersey City19:00 → 18:0711:160 min11:1648 min29 Oct
Port of Spain20:00 → 19:0711:260 min11:2648 min29 Oct
London01:00 → 00:0712:200 min12:2048 min29 Oct
Durban02:00 → 01:0711:160 min11:1648 min29 Oct
Dubai04:00 → 03:0711:380 min11:3848 min29 Oct
Delhi05:30 → 04:3711:410 min11:4148 min29 Oct
Kolkata05:30 → 04:3710:560 min10:5648 min29 Oct
Singapore07:30 → 06:3711:540 min11:5448 min29 Oct
Sydney10:00 → 09:0711:150 min11:1548 min29 Oct
Suva12:00 → 11:0711:260 min11:2614 min29 Oct
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