Ruling · Mahānavamī · 2084

Saturday 7 October

Boundaryin Bucharest, under the Rashtriya Panchang method. A threshold is only 3 min 11 s away. Say “contested”.

Decide it for

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 7 October

Taken. The only midday Navamī reaches.

madhyāhna begins 12:39  13:27 madhyāhna ends
Navamī begins 12:42:14
11:5112:1512:3913:0313:2713:5114:15

45 of 48 minutes covered, the last 45

Midday of Sunday 8 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 12:42 on Sat 7 Oct to 10:36 on Sun 8 Oct.

    2084-10-07T09:42:15Z → 2084-10-08T07:36:20Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:39–13:27 on the 7th, 12:39–13:27 on the 8th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 45 of 48 minutes on the 7th and 0 of 48 on the 8th.

    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 191 s < 300 s

  5. 05

    Ruling

    Mahānavamī, Bucharest, 2084: Saturday 7 October.

    confidence: boundary (margin)

Say it like this

In Bucharest, Mahānavamī 2084 falls on Saturday 7 October. Navamī runs from 12:42 on Sat 7 Oct to 10:36 on Sun 8 Oct and covers 45 of 48 minutes of madhyāhna that midday. It is 3 min 11 s from a threshold: treat the date as contested.

ahargana.org/bucharest/festivals/2084/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 7 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 7 Oct
compat-drikpanchangComparison profileSat 7 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles02:42 → 00:3612:1648 min12:160 min7 Oct
Chicago04:42 → 02:3612:1448 min12:140 min7 Oct
Jersey City05:42 → 03:3612:2048 min12:190 min7 Oct
Port of Spain05:42 → 03:3611:3048 min11:300 min7 Oct
London10:42 → 08:3612:2448 min12:240 min7 Oct
Durban11:42 → 09:3611:2026 min11:200 min7 Oct
Dubai13:42 → 11:3611:420 min11:420 min8 Oct
Delhi15:12 → 13:0611:450 min11:4448 min8 Oct
Kolkata15:12 → 13:0611:000 min11:0048 min8 Oct
Singapore17:42 → 15:3612:280 min12:2848 min8 Oct
Sydney20:42 → 18:3612:190 min12:1948 min8 Oct
Suva21:42 → 19:3611:300 min11:3048 min8 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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