Ruling · Rādhāṣṭamī · 2010

Wednesday 15 September

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 425 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 14 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:47  13:35 madhyāhna ends
11:5912:2312:4713:1113:3513:5914:23

0 of 48 minutes covered

Midday of Wednesday 15 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:46  13:34 madhyāhna ends
11:5812:2212:4613:1013:3413:5814:22

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 20:40 on Tue 14 Sep to 21:12 on Wed 15 Sep.

    2010-09-14T17:39:38Z → 2010-09-15T18:11:46Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:47–13:35 on the 14th, 12:46–13:34 on the 15th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.

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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 25490 s

  5. 05

    Ruling

    Rādhāṣṭamī, Bucharest, 2010: Wednesday 15 September.

    confidence: determinate

Say it like this

In Bucharest, Rādhāṣṭamī 2010 falls on Wednesday 15 September. Aṣṭamī runs from 20:40 on Tue 14 Sep to 21:12 on Wed 15 Sep and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/2010/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 15 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 15 Sep
compat-drikpanchangComparison profileWed 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles10:40 → 11:1212:2448 min12:240 min14 Sep
Chicago12:40 → 13:1212:2230 min12:2148 min15 Sep
Jersey City13:40 → 14:1212:270 min12:2748 min15 Sep
Port of Spain13:40 → 14:1211:380 min11:3748 min15 Sep
London18:40 → 19:1212:320 min12:3148 min15 Sep
Durban19:40 → 20:1211:280 min11:2748 min15 Sep
Dubai21:40 → 22:1211:500 min11:5048 min15 Sep
Delhi23:10 → 23:4211:530 min11:5248 min15 Sep
Kolkata23:10 → 23:4211:080 min11:0848 min15 Sep
Singapore01:40 → 02:1212:360 min12:3648 min15 Sep
Sydney03:40 → 04:1211:270 min11:2748 min15 Sep
Suva05:40 → 06:1211:380 min11:3848 min15 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

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