sun .5deg.comSunrise, Sunset, Solar noon and Sun position here: Viseu, Portugal , for period: December 2026. Longest day in month: December 2026: 9 hours, 29 minutes, 9 seconds (2026-12-01). Shortest day in this month: 9 hours, 15 minutes , 39 seconds (2026-12-21).
:December 2026, Solar noon=>Altitude: maximal 27.56° (2026-12-01, 12:20:39). minimal: 25.9° (2026-12-22, 12:30:12)
Table view of above data:
| date | Day | Sunrise | Solar noon | Sunset | Day Length |
| 01 | Tuesday | 07:36:05 | 12:20:39 | 17:05:14 | 9h 29m 9s |
| 02 | Wednesday | 07:37:05 | 12:21:02 | 17:04:59 | 9h 27m 54s |
| 03 | Thursday | 07:38:05 | 12:21:26 | 17:04:47 | 9h 26m 42s |
| 04 | Friday | 07:39:03 | 12:21:50 | 17:04:36 | 9h 25m 33s |
| 05 | Saturday | 07:40:00 | 12:22:14 | 17:04:29 | 9h 24m 29s |
| 06 | Sunday | 07:40:56 | 12:22:39 | 17:04:23 | 9h 23m 27s |
| 07 | Monday | 07:41:51 | 12:23:05 | 17:04:20 | 9h 22m 29s |
| 08 | Tuesday | 07:42:44 | 12:23:31 | 17:04:19 | 9h 21m 35s |
| 09 | Wednesday | 07:43:36 | 12:23:58 | 17:04:20 | 9h 20m 44s |
| 10 | Thursday | 07:44:26 | 12:24:25 | 17:04:24 | 9h 19m 58s |
| 11 | Friday | 07:45:15 | 12:24:52 | 17:04:29 | 9h 19m 14s |
| 12 | Saturday | 07:46:03 | 12:25:20 | 17:04:38 | 9h 18m 35s |
| 13 | Sunday | 07:46:49 | 12:25:48 | 17:04:48 | 9h 17m 59s |
| 14 | Monday | 07:47:33 | 12:26:17 | 17:05:01 | 9h 17m 28s |
| 15 | Tuesday | 07:48:15 | 12:26:46 | 17:05:16 | 9h 17m 1s |
| 16 | Wednesday | 07:48:56 | 12:27:15 | 17:05:33 | 9h 16m 37s |
| 17 | Thursday | 07:49:35 | 12:27:44 | 17:05:53 | 9h 16m 18s |
| 18 | Friday | 07:50:12 | 12:28:13 | 17:06:14 | 9h 16m 2s |
| 19 | Saturday | 07:50:48 | 12:28:43 | 17:06:38 | 9h 15m 50s |
| 20 | Sunday | 07:51:21 | 12:29:13 | 17:07:04 | 9h 15m 43s |
| 21 | Monday | 07:51:53 | 12:29:42 | 17:07:32 | 9h 15m 39s |
| 22 | Tuesday | 07:52:22 | 12:30:12 | 17:08:02 | 9h 15m 40s |
| 23 | Wednesday | 07:52:50 | 12:30:42 | 17:08:34 | 9h 15m 44s |
| 24 | Thursday | 07:53:15 | 12:31:12 | 17:09:09 | 9h 15m 54s |
| 25 | Friday | 07:53:38 | 12:31:42 | 17:09:45 | 9h 16m 7s |
| 26 | Saturday | 07:54:00 | 12:32:11 | 17:10:23 | 9h 16m 23s |
| 27 | Sunday | 07:54:19 | 12:32:41 | 17:11:03 | 9h 16m 44s |
| 28 | Monday | 07:54:36 | 12:33:10 | 17:11:45 | 9h 17m 9s |
| 29 | Tuesday | 07:54:51 | 12:33:40 | 17:12:28 | 9h 17m 37s |
| 30 | Wednesday | 07:55:03 | 12:34:08 | 17:13:14 | 9h 18m 11s |
| 31 | Thursday | 07:55:13 | 12:34:37 | 17:14:01 | 9h 18m 48s |