Ruling · Mahānavamī · 2019

Sunday 6 October

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 151 minutes.

Decide it for

BucharestDelhiKolkataSingaporeSydneyJersey City

44°26′ N 26°06′ E · Europe/Bucharest · GeoNames 683506

The two middays

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

Midday of Sunday 6 October

Taken. The only midday Navamī reaches.

madhyāhna begins 12:39  13:27 madhyāhna ends
11:5112:1512:3913:0313:2713:5114:15

48 of 48 minutes covered

Midday of Monday 7 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:39  13:27 madhyāhna ends
11:5112:1512:3913:0313:2713:5114:15

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 08:25 on Sun 6 Oct to 10:08 on Mon 7 Oct.

    2019-10-06T05:24:31Z → 2019-10-07T07:08:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 6th, 12:39–13:27 on the 7th.

    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 6th and 0 of 48 on the 7th.

    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 9063 s

  5. 05

    Ruling

    Mahānavamī, Bucharest, 2019: Sunday 6 October.

    confidence: determinate

Say it like this

In Bucharest, Mahānavamī 2019 falls on Sunday 6 October. Navamī runs from 08:25 on Sun 6 Oct to 10:08 on Mon 7 Oct and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/2019/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 6 Oct
compat-drikpanchangComparison profileSun 6 Oct
No institution has a recorded ruling for Bucharest.

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

The rule, as data

/rules/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 clock times.

PlaceNavamīMadhyāhna 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles22:25 → 00:0812:1748 min12:170 min6 Oct
Chicago00:25 → 02:0812:1448 min12:140 min6 Oct
Jersey City01:25 → 03:0812:2048 min12:200 min6 Oct
Port of Spain01:25 → 03:0811:3048 min11:300 min6 Oct
London06:25 → 08:0812:2448 min12:240 min6 Oct
Durban07:25 → 09:0811:2048 min11:200 min6 Oct
Dubai09:25 → 11:0811:4348 min11:430 min6 Oct
Delhi10:55 → 12:3811:4548 min11:4548 min6 Oct
Kolkata10:55 → 12:3811:0148 min11:0048 min6 Oct
Singapore13:25 → 15:0812:290 min12:2948 min7 Oct
Sydney16:25 → 18:0812:200 min12:1948 min7 Oct
Suva17:25 → 19:0811:310 min11:3048 min7 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahanavami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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