Ruling · Rādhāṣṭamī · 2054

Tuesday 8 September

Boundaryin Bucharest, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. 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 Tuesday 8 September

Taken. Both middays qualify; the rule is silent, and this one is covered longer.

madhyāhna begins 12:49  13:37 madhyāhna ends
Aṣṭamī begins 12:36:21
12:0112:2512:4913:1313:3714:0114:25

48 of 48 minutes covered

Midday of Wednesday 9 September

Qualifies with 21 of 48 minutes. Not taken.

madhyāhna begins 12:49  13:37 madhyāhna ends
Aṣṭamī ends 13:09:04
12:0112:2512:4913:1313:3714:0114:25

21 of 48 minutes covered, the first 21

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 12:36 on Tue 8 Sep to 13:09 on Wed 9 Sep.

    2054-09-08T09:36:21Z → 2054-09-09T10:09:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 8th, 12:49–13:37 on the 9th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 21 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 753 s

  5. 05

    Ruling

    Rādhāṣṭamī, Bucharest, 2054: Tuesday 8 September.

    confidence: boundary (tie-break-unstated)

Say it like this

In Bucharest, Rādhāṣṭamī 2054 falls on Tuesday 8 September. Aṣṭamī runs from 12:36 on Tue 8 Sep to 13:09 on Wed 9 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 21 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/bucharest/festivals/2054/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 8 Sep
compat-drikpanchangComparison profileTue 8 Sep
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/radhashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles02:36 → 03:0912:2648 min12:260 min8 Sep
Chicago04:36 → 05:0912:2448 min12:240 min8 Sep
Jersey City05:36 → 06:0912:3048 min12:290 min8 Sep
Port of Spain05:36 → 06:0911:4048 min11:390 min8 Sep
London10:36 → 11:0912:3448 min12:330 min8 Sep
Durban11:36 → 12:0911:3041 min11:2940 min8 Sep
Dubai13:36 → 14:0911:520 min11:5248 min9 Sep
Delhi15:06 → 15:3911:550 min11:5448 min9 Sep
Kolkata15:06 → 15:3911:100 min11:1048 min9 Sep
Singapore17:36 → 18:0912:380 min12:3848 min9 Sep
Sydney19:36 → 20:0911:290 min11:2948 min9 Sep
Suva21:36 → 22:0911:400 min11:4048 min9 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
radhashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa