Ruling · Durgā Navamī · 1990

Saturday 27 October

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 18 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 Saturday 27 October

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:35  12:23 madhyāhna ends
Navamī begins 11:07:07
10:4711:1111:3511:5912:2312:4713:11

48 of 48 minutes covered

Midday of Sunday 28 October

Qualifies with 18 of 48 minutes. Not taken.

madhyāhna begins 11:35  12:23 madhyāhna ends
Navamī ends 11:52:43
10:4711:1111:3511:5912:2312:4713:11

18 of 48 minutes covered, the first 18

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 11:07 on Sat 27 Oct to 11:53 on Sun 28 Oct.

    1990-10-27T09:07:07Z → 1990-10-28T09:52:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:35–12:23 on the 27th, 11:35–12:23 on the 28th.

    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 27th and 18 of 48 on the 28th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1056 s

  5. 05

    Ruling

    Durgā Navamī, Bucharest, 1990: Saturday 27 October.

    confidence: determinate

Say it like this

In Bucharest, Durgā Navamī 1990 falls on Saturday 27 October. Navamī runs from 11:07 on Sat 27 Oct to 11:53 on Sun 28 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 18 minutes; by the rule the first midday is taken.

ahargana.org/bucharest/festivals/1990/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 27 Oct
compat-drikpanchangComparison profileSat 27 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/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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles02:07 → 01:5312:1348 min11:130 min27 Oct
Chicago04:07 → 03:5312:1048 min11:100 min27 Oct
Jersey City05:07 → 04:5312:1648 min11:160 min27 Oct
Port of Spain05:07 → 05:5311:2648 min11:260 min27 Oct
London10:07 → 09:5312:2048 min11:200 min27 Oct
Durban11:07 → 11:5311:1648 min11:1637 min27 Oct
Dubai13:07 → 13:5311:390 min11:3848 min28 Oct
Delhi14:37 → 15:2311:410 min11:4148 min28 Oct
Kolkata14:37 → 15:2310:560 min10:5648 min28 Oct
Singapore17:07 → 17:5312:250 min12:2448 min28 Oct
Sydney19:07 → 20:5311:150 min12:1548 min28 Oct
Suva21:07 → 21:5311:260 min11:2648 min28 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