Ruling · Durgā Navamī · 2053

Wednesday 19 November

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 221 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Wednesday 19 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:26  12:14 madhyāhna ends
10:3811:0211:2611:5012:1412:3813:02

48 of 48 minutes covered

Midday of Thursday 20 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:26  12:14 madhyāhna ends
10:3811:0211:2611:5012:1412:3813:02

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 06:02 on Wed 19 Nov to 07:45 on Thu 20 Nov.

    2053-11-19T02:31:39Z → 2053-11-20T04:15:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 19th, 11:26–12:14 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 13247 s

  5. 05

    Ruling

    Durgā Navamī, Tehran, 2053: Wednesday 19 November.

    confidence: determinate

Say it like this

In Tehran, Durgā Navamī 2053 falls on Wednesday 19 November. Navamī runs from 06:02 on Wed 19 Nov to 07:45 on Thu 20 Nov and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/2053/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 19 Nov
compat-drikpanchangComparison profileWed 19 Nov
No institution has a recorded ruling for Tehran.

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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles18:32 → 20:1511:1448 min11:150 min19 Nov
Chicago20:32 → 22:1511:1248 min11:120 min19 Nov
Jersey City21:32 → 23:1511:1848 min11:180 min19 Nov
Port of Spain22:32 → 00:1511:2848 min11:280 min19 Nov
London02:32 → 04:1511:2248 min11:220 min19 Nov
Durban04:32 → 06:1511:1848 min11:180 min19 Nov
Dubai06:32 → 08:1511:4048 min11:400 min19 Nov
Delhi08:02 → 09:4511:4248 min11:430 min19 Nov
Kolkata08:02 → 09:4510:5848 min10:580 min19 Nov
Singapore10:32 → 12:1512:2648 min12:260 min19 Nov
Sydney13:32 → 15:1512:170 min12:1748 min20 Nov
Suva14:32 → 16:1511:280 min11:2848 min20 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