| Zmanim for 17 December 2018, Seattle, WA | |
| Alot HaShachar (16.1° below horizon) | 06:11AM |
| Alot HaShachar (72 minutes before sunrise) | 06:40AM |
| Earliest Tallit (11° below horizon) | 06:44AM |
| Earliest Tallit (10.2° below horizon) | 06:49AM |
| HaNetz HaChama | 07:52AM |
| Kriat Shema (M"A) | 09:22AM |
| Kriat Shema (GR"O) | 09:58AM |
| Tefila (M"A) | 10:17AM |
| Tefila (GR"O) | 10:41AM |
| Chatzot (GR"O) | 12:05PM |
| Chatzot (M"A) | 12:05PM |
| Mincha Gedola (GR"O) | 12:26PM |
| Mincha Gedola (M"A) | 12:32PM |
| Mincha K'tana (GR"O) | 02:33PM |
| Mincha K'tana (M"A) | 03:15PM |
| Plag HaMincha (GR"O) | 03:26PM |
| Plag HaMincha (M"A) | 04:23PM |
| Shkiat HaChama | 04:19PM |
| Tzait HaChochavim (5.95° below horizon) | 04:54PM |
| 7.08° below horizon | 05:02PM |
| 3 Medium Stars (7.5° below horizon) | 05:05PM |
| 3 Small Stars (8.75° below horizon) | 05:13PM |
| Rabbeinu Tam (sunset + 72 minutes) | 05:31PM |
| Sha'a Zmanit | 42 min |