Midday of Sunday 18 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 2026
Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 2 min 14 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 18 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Midday of Monday 19 October
Taken. Both middays qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:59 on Sun 18 Oct to 13:22 on Mon 19 Oct.
2026-10-18T02:58:39Z → 2026-10-19T05:22:16Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 18th, 11:01–11:49 on the 19th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 48 of 48 on the 19th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 134 s < 300 s
Ruling
Mahāṣṭamī, Daqing, 2026: Monday 19 October.
confidence: boundary (margin)
In Daqing, Mahāṣṭamī (Durga Ashtami) 2026 falls on Monday 19 October. Aṣṭamī runs from 10:59 on Sun 18 Oct to 13:22 on Mon 19 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 2 min 14 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 19 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 19 Oct |
| compat-drikpanchang | Comparison profile | Mon 19 Oct |
| No institution has a recorded ruling for Daqing. | ||
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 18th | Covered | Madhyāhna 19th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:59 → 22:22 | 12:14 | 48 min | 12:14 | 0 min | 18 Oct |
| Chicago | 21:59 → 00:22 | 12:11 | 48 min | 12:11 | 0 min | 18 Oct |
| Jersey City | 22:59 → 01:22 | 12:17 | 48 min | 12:17 | 0 min | 18 Oct |
| Port of Spain | 22:59 → 01:22 | 11:27 | 48 min | 11:27 | 0 min | 18 Oct |
| London | 03:59 → 06:22 | 12:21 | 48 min | 12:21 | 0 min | 18 Oct |
| Durban | 04:59 → 07:22 | 11:17 | 48 min | 11:17 | 0 min | 18 Oct |
| Dubai | 06:59 → 09:22 | 11:40 | 48 min | 11:40 | 0 min | 18 Oct |
| Delhi | 08:29 → 10:52 | 11:42 | 48 min | 11:42 | 0 min | 18 Oct |
| Kolkata | 08:29 → 10:52 | 10:58 | 48 min | 10:57 | 0 min | 18 Oct |
| Singapore | 10:59 → 13:22 | 12:26 | 48 min | 12:26 | 48 min | 19 Oct |
| Sydney | 13:59 → 16:22 | 12:17 | 0 min | 12:17 | 48 min | 19 Oct |
| Suva | 14:59 → 17:22 | 11:28 | 0 min | 11:27 | 48 min | 19 Oct |