Midday of Tuesday 12 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2021
Determinatein Perth, under the Rashtriya Panchang method. Clear of every threshold by 611 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 12 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Wednesday 13 October
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 00:18 on Wed 13 Oct to 22:38 on Wed 13 Oct.
2021-10-12T16:18:03Z → 2021-10-13T14:38:14Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 12th, 11:39–12:27 on the 13th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 36669 s
Ruling
Mahāṣṭamī, Perth, 2021: Wednesday 13 October.
confidence: determinate
In Perth, Mahāṣṭamī (Durga Ashtami) 2021 falls on Wednesday 13 October. Aṣṭamī runs from 00:18 on Wed 13 Oct to 22:38 on Wed 13 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 13 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 13 Oct |
| compat-drikpanchang | Comparison profile | Wed 13 Oct |
| No institution has a recorded ruling for Perth. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahashtami · ruleset 2026.3-draft
“S 8 Mahastami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 12th | Covered | Madhyāhna 13th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 09:18 → 07:38 | 12:15 | 48 min | 12:15 | 0 min | 12 Oct |
| Chicago | 11:18 → 09:38 | 12:13 | 48 min | 12:12 | 0 min | 12 Oct |
| Jersey City | 12:18 → 10:38 | 12:18 | 48 min | 12:18 | 0 min | 12 Oct |
| Port of Spain | 12:18 → 10:38 | 11:28 | 0 min | 11:28 | 0 min | 13 Oct |
| London | 17:18 → 15:38 | 12:22 | 0 min | 12:22 | 48 min | 13 Oct |
| Durban | 18:18 → 16:38 | 11:19 | 0 min | 11:18 | 48 min | 13 Oct |
| Dubai | 20:18 → 18:38 | 11:41 | 0 min | 11:41 | 48 min | 13 Oct |
| Delhi | 21:48 → 20:08 | 11:43 | 0 min | 11:43 | 48 min | 13 Oct |
| Kolkata | 21:48 → 20:08 | 10:59 | 0 min | 10:59 | 48 min | 13 Oct |
| Singapore | 00:18 → 22:38 | 12:27 | 0 min | 12:27 | 48 min | 13 Oct |
| Sydney | 03:18 → 01:38 | 12:18 | 0 min | 12:18 | 48 min | 13 Oct |
| Suva | 04:18 → 02:38 | 11:29 | 0 min | 11:29 | 48 min | 13 Oct |