September 2005 · each Moon as it stands at sunriseŚrāvaṇa Kṛṣṇa to Bhādrapada KṛṣṇaThe month ›

Ruling · 2005 · Doha

Rādhāṣṭamī

Sunday 11 September2005 · Doha, Baladiyat ad Dawhah, Qatar

Determinatemargin 472 min

In Doha, under the Rashtriya Panchang method. Clear of every threshold by 472 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 Sunday 11 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:06  11:54 madhyāhna ends
10:1810:4211:0611:3011:5412:1812:42

48 of 48 minutes covered

Midday of Monday 12 September

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:06  11:54 madhyāhna ends
10:1810:4211:0611:3011:5412:1812:42

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 03:14 on Sun 11 Sep to 01:50 on Mon 12 Sep.

    2005-09-11T00:14:00Z → 2005-09-11T22:50:10Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 11th, 11:06–11:54 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 28339 s
  5. Step 5, Ruling

    Rādhāṣṭamī, Doha, 2005: Sunday 11 September.

    confidence: determinate

Say it like this

In Doha, Rādhāṣṭamī 2005 falls on Sunday 11 September. Aṣṭamī runs from 03:14 on Sun 11 Sep to 01:50 on Mon 12 Sep and covers all of madhyāhna that midday.

ahargana.org/doha/festivals/2005/radhashtamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 11 Sep
compat-drikpanchangComparison profileSun 11 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles17:14 → 15:5012:2548 min12:250 min11 Sep
Chicago19:14 → 17:5012:2348 min12:220 min11 Sep
Jersey City20:14 → 18:5012:2848 min12:280 min11 Sep
Port of Spain20:14 → 18:5011:3948 min11:380 min11 Sep
London01:14 → 23:5012:3348 min12:320 min11 Sep
Durban02:14 → 00:5011:2948 min11:280 min11 Sep
Dubai04:14 → 02:5011:5148 min11:510 min11 Sep
Delhi05:44 → 04:2011:5448 min11:530 min11 Sep
Kolkata05:44 → 04:2011:0948 min11:090 min11 Sep
Singapore08:14 → 06:5012:3748 min12:370 min11 Sep
Sydney10:14 → 08:5011:2848 min11:280 min11 Sep
Suva12:14 → 10:5011:3913 min11:390 min11 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