October 2011 · each Moon as it stands at sunriseĀśvina Śukla to Kārtika ŚuklaThe month ›

Ruling · 2011 · Doha

Mahānavamī

Wednesday 5 October2011 · Doha, Baladiyat ad Dawhah, Qatar

Determinatemargin 381 min

In Doha, under the Rashtriya Panchang method. Clear of every threshold by 381 minutes.

Decide it forDohaDelhiKolkataSingaporeSydneyJersey City25°17′ N 51°32′ E · Asia/Qatar · GeoNames 290030

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 4 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

0 of 48 minutes covered

Midday of Wednesday 5 October

Taken. The only midday Navamī reaches.

madhyāhna begins 10:58  11:46 madhyāhna ends
10:1010:3410:5811:2211:4612:1012:34

48 of 48 minutes covered

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Navamī runs from 18:08 on Tue 4 Oct to 18:23 on Wed 5 Oct.

    2011-10-04T15:07:50Z → 2011-10-05T15:23:01Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 4th, 10:58–11:46 on the 5th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
  4. Step 4, Tie-break

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

    one day qualifies → only-day · margin 22876 s
  5. Step 5, Ruling

    Mahānavamī, Doha, 2011: Wednesday 5 October.

    confidence: determinate

Say it like this

In Doha, Mahānavamī 2011 falls on Wednesday 5 October. Navamī runs from 18:08 on Tue 4 Oct to 18:23 on Wed 5 Oct and covers all of madhyāhna that midday.

ahargana.org/doha/festivals/2011/mahanavamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 5 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 5 Oct
compat-drikpanchangComparison profileWed 5 Oct
No institution has a recorded ruling for Doha.

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

The rule, as data

mahanavami · ruleset 2026.3-draft

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

S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise). Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

twelve places, west to east · local clocks

PlaceNavamīMadhyāhna 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles08:08 → 08:2312:1748 min12:170 min4 Oct
Chicago10:08 → 10:2312:1548 min12:150 min4 Oct
Jersey City11:08 → 11:2312:2148 min12:200 min4 Oct
Port of Spain11:08 → 11:2311:3148 min11:300 min4 Oct
London16:08 → 16:2312:250 min12:2548 min5 Oct
Durban17:08 → 17:2311:210 min11:2148 min5 Oct
Dubai19:08 → 19:2311:430 min11:4348 min5 Oct
Delhi20:38 → 20:5311:460 min11:4548 min5 Oct
Kolkata20:38 → 20:5311:010 min11:0148 min5 Oct
Singapore23:08 → 23:2312:300 min12:2948 min5 Oct
Sydney02:08 → 02:2312:200 min12:2048 min5 Oct
Suva03:08 → 03:2311:310 min11:3148 min5 Oct
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahanavami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s