The sun, month by month
Sunrise and sunset in Dublin in January
On January 1 in Dublin the sun rises at 08:41 and sets at 16:17; on day 31 it rises at 08:14 and sets at 17:03. Over the month the day grows 72 minutes longer.
Where does the sun rise and set in Dublin in January?
Mid-January in Dublin: the sun rises in the southeast — a bearing of 126°, measured from true north — and sets in the southwest, at 234°. That is 36° south of due east at sunrise, and the same 36° south of due west at sunset. From the 1st to the last day of the month both points shift 10° north.
Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.
Day by day
All times are local to Dublin. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 07:58 | 08:41 | 16:17 | 16:59 | 7 h 36 min |
| 2 | 07:58 | 08:40 | 16:18 | 17:00 | 7 h 38 min |
| 3 | 07:58 | 08:40 | 16:19 | 17:01 | 7 h 39 min |
| 4 | 07:58 | 08:40 | 16:20 | 17:02 | 7 h 40 min |
| 5 | 07:58 | 08:40 | 16:21 | 17:03 | 7 h 42 min |
| 6 | 07:57 | 08:39 | 16:23 | 17:05 | 7 h 43 min |
| 7 | 07:57 | 08:39 | 16:24 | 17:06 | 7 h 45 min |
| 8 | 07:57 | 08:38 | 16:25 | 17:07 | 7 h 47 min |
| 9 | 07:56 | 08:38 | 16:26 | 17:08 | 7 h 49 min |
| 10 | 07:56 | 08:37 | 16:28 | 17:09 | 7 h 51 min |
| 11 | 07:55 | 08:37 | 16:29 | 17:11 | 7 h 53 min |
| 12 | 07:55 | 08:36 | 16:31 | 17:12 | 7 h 55 min |
| 13 | 07:54 | 08:35 | 16:32 | 17:13 | 7 h 57 min |
| 14 | 07:53 | 08:34 | 16:34 | 17:15 | 7 h 59 min |
| 15 | 07:53 | 08:34 | 16:35 | 17:16 | 8 h 02 min |
| 16 | 07:52 | 08:33 | 16:37 | 17:18 | 8 h 04 min |
| 17 | 07:51 | 08:32 | 16:38 | 17:19 | 8 h 07 min |
| 18 | 07:50 | 08:31 | 16:40 | 17:20 | 8 h 09 min |
| 19 | 07:49 | 08:30 | 16:42 | 17:22 | 8 h 12 min |
| 20 | 07:49 | 08:29 | 16:43 | 17:23 | 8 h 15 min |
| 21 | 07:48 | 08:28 | 16:45 | 17:25 | 8 h 17 min |
| 22 | 07:47 | 08:26 | 16:47 | 17:27 | 8 h 20 min |
| 23 | 07:46 | 08:25 | 16:48 | 17:28 | 8 h 23 min |
| 24 | 07:44 | 08:24 | 16:50 | 17:30 | 8 h 26 min |
| 25 | 07:43 | 08:23 | 16:52 | 17:31 | 8 h 29 min |
| 26 | 07:42 | 08:21 | 16:54 | 17:33 | 8 h 32 min |
| 27 | 07:41 | 08:20 | 16:56 | 17:35 | 8 h 36 min |
| 28 | 07:40 | 08:19 | 16:57 | 17:36 | 8 h 39 min |
| 29 | 07:38 | 08:17 | 16:59 | 17:38 | 8 h 42 min |
| 30 | 07:37 | 08:16 | 17:01 | 17:40 | 8 h 45 min |
| 31 | 07:36 | 08:14 | 17:03 | 17:41 | 8 h 49 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in January?
In January the sun doesn't climb high enough in Dublin for vitamin D synthesis: the season to mind your diet or consider supplementation.
See the Dublin vitamin D guideCommon questions about the sun in Dublin in January
- Where does the sun set in Dublin in January?
- Mid-January in Dublin: the sun sets in the southwest, a bearing of 234° measured from true north, which is 36° south of due west. It rises in the southeast, at 126°. Over the month both points shift 10° north.
- How much daylight does Dublin gain in January?
- Over January the day gets 72 minutes longer in Dublin: on January 1 the sun rises at 08:41 and sets at 16:17, and on day 31 it rises at 08:14 and sets at 17:03.
- How many hours of daylight does Dublin get in January?
- In mid-January the day lasts 8 h 02 min in Dublin, from sunrise at 08:34 to sunset at 16:35. The table has the day length for each of the 31 days of the month.
- What time does it start to get light in Dublin in January?
- In mid-January the sky starts to get light at 07:53 in Dublin, when the sun is 6° below the horizon, and the sun itself does not rise until 08:34. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Dublin in January?
- It's not the same time as sunset. In mid-January in Dublin the sun sets at 16:35, but there is still light: civil twilight does not end until 17:16, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
- What time of day can you make vitamin D in Dublin in January?
- At no time of day. Not even at midday on January 15 does the UV index reach 3 in Dublin, and below that minimum the skin makes no vitamin D, however long you stay out. In January it is the season to mind your diet or consider supplementation.