Grand Prismatic Spring Sunrise & Sunset Calendar for September 2027
| Date | Day | Civil Dawn | Sunrise (Direction) | Sunset (Direction) | Civil Dusk | Solar Noon | Day Length | Noon Altitude |
|---|---|---|---|---|---|---|---|---|
| 01 | Wed | 06:16 | 06:45 (ENE) | 20:01 (WNW) | 20:30 | 13:23 | 13h 15m | 53.6° |
| 02 | Thu | 06:17 | 06:47 (ENE) | 19:59 (WNW) | 20:28 | 13:23 | 13h 12m | 53.3° |
| 03 | Fri | 06:18 | 06:48 (E) | 19:58 (W) | 20:26 | 13:22 | 13h 9m | 52.9° |
| 04 | Sat | 06:19 | 06:49 (E) | 19:56 (W) | 20:24 | 13:22 | 13h 6m | 52.5° |
| 05 | Sun | 06:21 | 06:50 (E) | 19:54 (W) | 20:23 | 13:22 | 13h 3m | 52.2° |
| 06 | Mon | 06:22 | 06:51 (E) | 19:52 (W) | 20:21 | 13:21 | 13h 0m | 51.8° |
| 07 | Tue | 06:23 | 06:52 (E) | 19:50 (W) | 20:19 | 13:21 | 12h 57m | 51.4° |
| 08 | Wed | 06:24 | 06:54 (E) | 19:49 (W) | 20:17 | 13:21 | 12h 54m | 51° |
| 09 | Thu | 06:25 | 06:55 (E) | 19:47 (W) | 20:15 | 13:20 | 12h 51m | 50.7° |
| 10 | Fri | 06:27 | 06:56 (E) | 19:45 (W) | 20:13 | 13:20 | 12h 48m | 50.3° |
| 11 | Sat | 06:28 | 06:57 (E) | 19:43 (W) | 20:11 | 13:19 | 12h 45m | 49.9° |
| 12 | Sun | 06:29 | 06:58 (E) | 19:41 (W) | 20:09 | 13:19 | 12h 42m | 49.5° |
| 13 | Mon | 06:30 | 06:59 (E) | 19:39 (W) | 20:07 | 13:19 | 12h 39m | 49.1° |
| 14 | Tue | 06:31 | 07:01 (E) | 19:37 (W) | 20:05 | 13:18 | 12h 36m | 48.8° |
| 15 | Wed | 06:33 | 07:02 (E) | 19:35 (W) | 20:03 | 13:18 | 12h 33m | 48.4° |
| 16 | Thu | 06:34 | 07:03 (E) | 19:34 (W) | 20:02 | 13:18 | 12h 30m | 48° |
| 17 | Fri | 06:35 | 07:04 (E) | 19:32 (W) | 20:00 | 13:17 | 12h 27m | 47.6° |
| 18 | Sat | 06:36 | 07:05 (E) | 19:30 (W) | 19:58 | 13:17 | 12h 24m | 47.2° |
| 19 | Sun | 06:37 | 07:06 (E) | 19:28 (W) | 19:56 | 13:17 | 12h 21m | 46.8° |
| 20 | Mon | 06:39 | 07:08 (E) | 19:26 (W) | 19:54 | 13:16 | 12h 18m | 46.4° |
| 21 | Tue | 06:40 | 07:09 (E) | 19:24 (W) | 19:52 | 13:16 | 12h 15m | 46.1° |
| 22 | Wed | 06:41 | 07:10 (E) | 19:22 (W) | 19:50 | 13:16 | 12h 12m | 45.7° |
| 23 | Thu | 06:42 | 07:11 (E) | 19:20 (W) | 19:48 | 13:15 | 12h 9m | 45.3° |
| 24 | Fri | 06:43 | 07:12 (E) | 19:19 (W) | 19:46 | 13:15 | 12h 6m | 44.9° |
| 25 | Sat | 06:45 | 07:13 (E) | 19:17 (W) | 19:44 | 13:14 | 12h 3m | 44.5° |
| 26 | Sun | 06:46 | 07:15 (E) | 19:15 (W) | 19:42 | 13:14 | 12h 0m | 44.1° |
| 27 | Mon | 06:47 | 07:16 (E) | 19:13 (W) | 19:41 | 13:14 | 11h 57m | 43.7° |
| 28 | Tue | 06:48 | 07:17 (E) | 19:11 (W) | 19:39 | 13:13 | 11h 54m | 43.3° |
| 29 | Wed | 06:49 | 07:18 (E) | 19:09 (W) | 19:37 | 13:13 | 11h 50m | 42.9° |
| 30 | Thu | 06:51 | 07:19 (E) | 19:07 (W) | 19:35 | 13:13 | 11h 47m | 42.6° |