Ruling · Rādhāṣṭamī · 1995

Saturday 2 September

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 507 minutes.

Decide it for

LuandaDelhiKolkataSingaporeSydneyJersey City

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 1 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

0 of 48 minutes covered

Midday of Saturday 2 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 23:04 on Fri 1 Sep to 20:58 on Sat 2 Sep.

    1995-09-01T22:04:18Z → 1995-09-02T19:58:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 1st, 11:43–12:31 on the 2nd.

    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 1st and 48 of 48 on the 2nd.

    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 30449 s

  5. 05

    Ruling

    Rādhāṣṭamī, Luanda, 1995: Saturday 2 September.

    confidence: determinate

Say it like this

In Luanda, Rādhāṣṭamī 1995 falls on Saturday 2 September. Aṣṭamī runs from 23:04 on Fri 1 Sep to 20:58 on Sat 2 Sep and covers all of madhyāhna that midday.

ahargana.org/luanda/festivals/1995/radhashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 2 Sep
compat-drikpanchangComparison profileSat 2 Sep
No institution has a recorded ruling for Luanda.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles15:04 → 12:5812:290 min12:2830 min2 Sep
Chicago17:04 → 14:5812:260 min12:2648 min2 Sep
Jersey City18:04 → 15:5812:320 min12:3248 min2 Sep
Port of Spain18:04 → 15:5811:420 min11:4248 min2 Sep
London23:04 → 20:5812:360 min12:3648 min2 Sep
Durban00:04 → 21:5811:320 min11:3248 min2 Sep
Dubai02:04 → 23:5811:550 min11:5448 min2 Sep
Delhi03:34 → 01:2811:570 min11:5748 min2 Sep
Kolkata03:34 → 01:2811:130 min11:1248 min2 Sep
Singapore06:04 → 03:5812:410 min12:4048 min2 Sep
Sydney08:04 → 05:5811:320 min11:3148 min2 Sep
Suva10:04 → 07:5811:430 min11:4248 min2 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