| Zmanim for 20 August 2017, Seattle, WA | |
| Alot HaShachar (16.1° below horizon) | 04:28AM |
| Alot HaShachar (72 minutes before sunrise) | 05:00AM |
| Earliest Tallit (11° below horizon) | 05:05AM |
| Earliest Tallit (10.2° below horizon) | 05:11AM |
| HaNetz HaChama | 06:12AM |
| Kriat Shema (M"A) | 09:06AM |
| Kriat Shema (GR"O) | 09:42AM |
| Tefila (M"A) | 10:28AM |
| Tefila (GR"O) | 10:52AM |
| Chatzot (GR"O) | 01:12PM |
| Chatzot (M"A) | 01:12PM |
| Mincha Gedola (GR"O) | 01:47PM |
| Mincha Gedola (M"A) | 01:53PM |
| Mincha K'tana (GR"O) | 05:17PM |
| Mincha K'tana (M"A) | 05:59PM |
| Plag HaMincha (GR"O) | 06:44PM |
| Plag HaMincha (M"A) | 07:41PM |
| Shkiat HaChama | 08:12PM |
| Tzait HaChochavim (5.95° below horizon) | 08:44PM |
| 7.08° below horizon | 08:52PM |
| 3 Medium Stars (7.5° below horizon) | 08:55PM |
| 3 Small Stars (8.75° below horizon) | 09:03PM |
| Rabbeinu Tam (sunset + 72 minutes) | 09:24PM |
| Sha'a Zmanit | 70 min |