Ruling · Mahānavamī · 1981

Wednesday 7 October

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 611 minutes.

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 Tuesday 6 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Midday of Wednesday 7 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 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 22:38 on Tue 6 Oct to 23:52 on Wed 7 Oct.

    1981-10-06T20:37:54Z → 1981-10-07T21:52:15Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 6th, 11:39–12:27 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 0 of 48 minutes on the 6th and 48 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 36632 s

  5. 05

    Ruling

    Mahānavamī, Bucharest, 1981: Wednesday 7 October.

    confidence: determinate

Say it like this

In Bucharest, Mahānavamī 1981 falls on Wednesday 7 October. Navamī runs from 22:38 on Tue 6 Oct to 23:52 on Wed 7 Oct and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/1981/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 7 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 7 Oct
compat-drikpanchangComparison profileWed 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles13:38 → 14:5212:170 min12:1648 min7 Oct
Chicago15:38 → 16:5212:140 min12:1448 min7 Oct
Jersey City16:38 → 17:5212:200 min12:2048 min7 Oct
Port of Spain16:38 → 17:5211:300 min11:3048 min7 Oct
London21:38 → 22:5212:240 min12:2448 min7 Oct
Durban22:38 → 23:5211:200 min11:2048 min7 Oct
Dubai00:38 → 01:5211:430 min11:4248 min7 Oct
Delhi02:08 → 03:2211:450 min11:4548 min7 Oct
Kolkata02:08 → 03:2211:010 min11:0048 min7 Oct
Singapore04:08 → 05:2211:590 min11:5948 min7 Oct
Sydney06:38 → 07:5211:200 min11:1948 min7 Oct
Suva08:38 → 09:5211:310 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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