Ruling · Rādhāṣṭamī · 1936

Wednesday 23 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 Wednesday 23 September

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

madhyāhna begins 12:44  13:32 madhyāhna ends
Aṣṭamī begins 12:32:13
11:5612:2012:4413:0813:3213:5614:20

48 of 48 minutes covered

Midday of Thursday 24 September

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 12:43  13:31 madhyāhna ends
Aṣṭamī ends 13:41:18
11:5512:1912:4313:0713:3113:5514:19

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 12:32 on Wed 23 Sep to 13:41 on Thu 24 Sep.

    1936-09-23T09:32:14Z → 1936-09-24T10:41:18Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:44–13:32 on the 23rd, 12:43–13:31 on the 24th.

    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 23rd and 48 of 48 on the 24th.

    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 604 s

  5. 05

    Ruling

    Rādhāṣṭamī, Bucharest, 1936: Wednesday 23 September.

    confidence: boundary (tie-break-unstated)

Say it like this

In Bucharest, Rādhāṣṭamī 1936 falls on Wednesday 23 September. Aṣṭamī runs from 12:32 on Wed 23 Sep to 13:41 on Thu 24 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 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/1936/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 23 Sep
compat-drikpanchangComparison profileWed 23 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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles01:32 → 02:4111:2148 min11:210 min23 Sep
Chicago04:32 → 05:4112:1948 min12:180 min23 Sep
Jersey City05:32 → 06:4112:2448 min12:240 min23 Sep
Port of Spain05:32 → 06:4111:3448 min11:340 min23 Sep
London10:32 → 11:4112:2848 min12:280 min23 Sep
Durban11:32 → 12:4111:2540 min11:2448 min24 Sep
Dubai13:32 → 14:4111:470 min11:4748 min24 Sep
Delhi15:02 → 16:1111:490 min11:4948 min24 Sep
Kolkata15:02 → 16:1111:050 min11:0448 min24 Sep
Singapore16:52 → 18:0111:530 min11:5348 min24 Sep
Sydney19:32 → 20:4111:240 min11:2448 min24 Sep
Suva21:32 → 22:4111:350 min11:3548 min24 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