Ruling · Durgā Navamī · 2016

Tuesday 8 November

Determinatein Mashhad, under the Rashtriya Panchang method. Clear of every threshold by 5 min 47 s.

Decide it for

36°18′ N 59°36′ E · Asia/Tehran · GeoNames 124665

The two middays

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

Midday of Tuesday 8 November

Taken. The only midday Navamī reaches.

madhyāhna begins 10:51  11:39 madhyāhna ends
Navamī begins 11:21:02
10:0310:2710:5111:1511:3912:0312:27

18 of 48 minutes covered, the last 18

Midday of Wednesday 9 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:51  11:39 madhyāhna ends
Navamī ends 10:45:26
10:0310:2710:5111:1511:3912:0312:27

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 11:21 on Tue 8 Nov to 10:45 on Wed 9 Nov.

    2016-11-08T07:51:02Z → 2016-11-09T07:15:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 8th, 10:51–11:39 on the 9th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 18 of 48 minutes on the 8th and 0 of 48 on the 9th.

    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 347 s

  5. 05

    Ruling

    Durgā Navamī, Mashhad, 2016: Tuesday 8 November.

    confidence: determinate

Say it like this

In Mashhad, Durgā Navamī 2016 falls on Tuesday 8 November. Navamī runs from 11:21 on Tue 8 Nov to 10:45 on Wed 9 Nov and covers 18 of 48 minutes of madhyāhna that midday.

ahargana.org/mashhad/festivals/2016/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 8 Nov
compat-drikpanchangComparison profileTue 8 Nov
No institution has a recorded ruling for Mashhad.

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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles23:51 → 23:1511:1348 min11:130 min8 Nov
Chicago01:51 → 01:1511:1048 min11:100 min8 Nov
Jersey City02:51 → 02:1511:1648 min11:160 min8 Nov
Port of Spain03:51 → 03:1511:2648 min11:260 min8 Nov
London07:51 → 07:1511:2048 min11:200 min8 Nov
Durban09:51 → 09:1511:1648 min11:160 min8 Nov
Dubai11:51 → 11:1511:3835 min11:380 min8 Nov
Delhi13:21 → 12:4511:410 min11:4148 min9 Nov
Kolkata13:21 → 12:4510:560 min10:5648 min9 Nov
Singapore15:51 → 15:1512:240 min12:2448 min9 Nov
Sydney18:51 → 18:1512:150 min12:1548 min9 Nov
Suva20:51 → 20:1512:260 min12:2648 min9 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