Morning of Monday 15 October
Taken. The only morning Saptamī reaches.
49 of 49 minutes covered
Ruling · Durgā Saptamī · 2018
Boundaryin Luanda, under the Rashtriya Panchang method. A threshold is only 2 min 46 s away. Say “contested”.
One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.
Morning of Monday 15 October
Taken. The only morning Saptamī reaches.
49 of 49 minutes covered
Morning of Tuesday 16 October
Saptamī holds for 3 of 49 minutes of the first muhūrta after sunrise, not all of it. Not taken.
3 of 49 minutes covered, the first 3
Aṅga
Saptamī runs from 03:35 on Mon 15 Oct to 05:47 on Tue 16 Oct.
2018-10-15T02:35:01Z → 2018-10-16T04:46:42Z
Kāla
The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:44–06:34 on the 15th, 05:44–06:33 on the 16th.
udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must hold through the first muhūrta after sunrise. It covers 49 of 49 minutes on the 15th and 3 of 49 on the 16th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one morning qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 166 s < 300 s
Ruling
Durgā Saptamī, Luanda, 2018: Monday 15 October.
confidence: boundary (margin)
In Luanda, Durgā Saptamī 2018 falls on Monday 15 October. Saptamī runs from 03:35 on Mon 15 Oct to 05:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning. It is 2 min 46 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 15 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 15 Oct |
| compat-drikpanchang | Comparison profile | Mon 15 Oct |
| No institution has a recorded ruling for Luanda. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/durga-saptami · ruleset 2026.3-draft
“S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Saptamī | Sunrise 15th | Covered | Sunrise 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:35 → 21:47 | 06:58 | 45 min | 06:59 | 0 min | 15 Oct |
| Chicago | 21:35 → 23:47 | 07:03 | 44 min | 07:04 | 0 min | 15 Oct |
| Jersey City | 22:35 → 00:47 | 07:08 | 45 min | 07:09 | 0 min | 15 Oct |
| Port of Spain | 22:35 → 00:47 | 05:55 | 48 min | 05:55 | 0 min | 15 Oct |
| London | 03:35 → 05:47 | 07:25 | 43 min | 07:26 | 0 min | 15 Oct |
| Durban | 04:35 → 06:47 | 05:18 | 51 min | 05:17 | 51 min | 16 Oct |
| Dubai | 06:35 → 08:47 | 06:17 | 28 min | 06:18 | 46 min | 16 Oct |
| Delhi | 08:05 → 10:17 | 06:22 | 0 min | 06:23 | 46 min | 16 Oct |
| Kolkata | 08:05 → 10:17 | 05:33 | 0 min | 05:34 | 46 min | 16 Oct |
| Singapore | 10:35 → 12:47 | 06:48 | 0 min | 06:48 | 48 min | 16 Oct |
| Sydney | 13:35 → 15:47 | 06:15 | 0 min | 06:13 | 52 min | 16 Oct |
| Suva | 14:35 → 16:47 | 05:38 | 0 min | 05:37 | 50 min | 16 Oct |