Morning of Monday 15 October
Qualifies with 45 of 45 minutes. Not taken.
sunrise 06:11 06:56 one muhūrta on
Saptamī begins 06:05:00
05:2305:4706:1106:3506:5907:2307:47
45 of 45 minutes covered
Ruling · Durgā Saptamī · 2018
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 5 min 47 s.
One ghaṭī is 24 minutes. The first muhūrta after sunrise is 1st of 15 day muhūrtas.
Morning of Monday 15 October
Qualifies with 45 of 45 minutes. Not taken.
45 of 45 minutes covered
Morning of Tuesday 16 October
Taken. Both mornings qualify; the rule takes the second.
45 of 45 minutes covered
Aṅga
Saptamī runs from 06:05 on Mon 15 Oct to 08:17 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: 06:11–06:56 on the 15th, 06:12–06:57 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 45 of 45 minutes on the 15th and 45 of 45 on the 16th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both mornings qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 347 s
Ruling
Durgā Saptamī, Tehran, 2018: Tuesday 16 October.
confidence: determinate
In Tehran, Durgā Saptamī 2018 falls on Tuesday 16 October. Saptamī runs from 06:05 on Mon 15 Oct to 08:17 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning. It also reaches the previous morning for 45 minutes; by the rule the second morning is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 16 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 16 Oct |
| compat-drikpanchang | Comparison profile | Tue 16 Oct |
| No institution has a recorded ruling for Tehran. | ||
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 |