September 2004 · each Moon as it stands at sunriseŚrāvaṇa Kṛṣṇa to Bhādrapada KṛṣṇaThe month ›

Ruling · 2004 · Doha

Rādhāṣṭamī

Tuesday 21 September2004 · Doha, Baladiyat ad Dawhah, Qatar

Determinatemargin 184 min

In Doha, under the Rashtriya Panchang method. Clear of every threshold by 184 minutes.

Decide it forDohaDelhiKolkataSingaporeSydneyJersey City25°17′ N 51°32′ E · Asia/Qatar · GeoNames 290030

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 21 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:03  11:51 madhyāhna ends
10:1510:3911:0311:2711:5112:1512:39

48 of 48 minutes covered

Midday of Wednesday 22 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

0 of 48 minutes covered

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Aṣṭamī runs from 07:58 on Tue 21 Sep to 05:47 on Wed 22 Sep.

    2004-09-21T04:58:25Z → 2004-09-22T02:47:05Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 21st, 11:02–11:50 on the 22nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
  4. Step 4, Tie-break

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

    one day qualifies → only-day · margin 11056 s
  5. Step 5, Ruling

    Rādhāṣṭamī, Doha, 2004: Tuesday 21 September.

    confidence: determinate

Say it like this

In Doha, Rādhāṣṭamī 2004 falls on Tuesday 21 September. Aṣṭamī runs from 07:58 on Tue 21 Sep to 05:47 on Wed 22 Sep and covers all of madhyāhna that midday.

ahargana.org/doha/festivals/2004/radhashtamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 21 Sep
compat-drikpanchangComparison profileTue 21 Sep
No institution has a recorded ruling for Doha.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

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 clocks

PlaceAṣṭamīMadhyāhna 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles21:58 → 19:4712:2248 min12:210 min21 Sep
Chicago23:58 → 21:4712:1948 min12:190 min21 Sep
Jersey City00:58 → 22:4712:2548 min12:240 min21 Sep
Port of Spain00:58 → 22:4711:3548 min11:350 min21 Sep
London05:58 → 03:4712:2948 min12:290 min21 Sep
Durban06:58 → 04:4711:2548 min11:250 min21 Sep
Dubai08:58 → 06:4711:4848 min11:470 min21 Sep
Delhi10:28 → 08:1711:5048 min11:500 min21 Sep
Kolkata10:28 → 08:1711:0548 min11:050 min21 Sep
Singapore12:58 → 10:4712:3423 min12:330 min21 Sep
Sydney14:58 → 12:4711:250 min11:2448 min22 Sep
Suva16:58 → 14:4711:360 min11:3548 min22 Sep
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
radhashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s