The sun, month by month
Sunrise and sunset in Dublin in December
On December 1 in Dublin the sun rises at 08:20 and sets at 16:10; on day 31 it rises at 08:41 and sets at 16:16. Over the month the day gets 14 minutes shorter.
Where does the sun rise and set in Dublin in December?
Mid-December in Dublin: the sun rises in the southeast — a bearing of 130°, measured from true north — and sets in the southwest, at 230°. That is 40° south of due east at sunrise, and the same 40° south of due west at sunset. From the 1st to the last day of the month both points shift 2° south.
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 | 07:39 | 08:20 | 16:10 | 16:51 | 7 h 50 min |
| 2 | 07:40 | 08:21 | 16:09 | 16:51 | 7 h 48 min |
| 3 | 07:41 | 08:23 | 16:09 | 16:50 | 7 h 46 min |
| 4 | 07:42 | 08:24 | 16:08 | 16:50 | 7 h 44 min |
| 5 | 07:43 | 08:25 | 16:08 | 16:50 | 7 h 43 min |
| 6 | 07:44 | 08:26 | 16:07 | 16:50 | 7 h 41 min |
| 7 | 07:45 | 08:28 | 16:07 | 16:49 | 7 h 40 min |
| 8 | 07:46 | 08:29 | 16:07 | 16:49 | 7 h 38 min |
| 9 | 07:47 | 08:30 | 16:07 | 16:49 | 7 h 37 min |
| 10 | 07:48 | 08:31 | 16:06 | 16:49 | 7 h 36 min |
| 11 | 07:49 | 08:32 | 16:06 | 16:49 | 7 h 35 min |
| 12 | 07:50 | 08:33 | 16:06 | 16:49 | 7 h 34 min |
| 13 | 07:51 | 08:34 | 16:06 | 16:49 | 7 h 33 min |
| 14 | 07:52 | 08:34 | 16:06 | 16:49 | 7 h 32 min |
| 15 | 07:52 | 08:35 | 16:07 | 16:49 | 7 h 31 min |
| 16 | 07:53 | 08:36 | 16:07 | 16:50 | 7 h 31 min |
| 17 | 07:54 | 08:37 | 16:07 | 16:50 | 7 h 30 min |
| 18 | 07:54 | 08:37 | 16:07 | 16:50 | 7 h 30 min |
| 19 | 07:55 | 08:38 | 16:08 | 16:51 | 7 h 30 min |
| 20 | 07:55 | 08:38 | 16:08 | 16:51 | 7 h 30 min |
| 21 | 07:56 | 08:39 | 16:08 | 16:51 | 7 h 30 min |
| 22 | 07:56 | 08:39 | 16:09 | 16:52 | 7 h 30 min |
| 23 | 07:57 | 08:40 | 16:10 | 16:52 | 7 h 30 min |
| 24 | 07:57 | 08:40 | 16:10 | 16:53 | 7 h 30 min |
| 25 | 07:57 | 08:40 | 16:11 | 16:54 | 7 h 31 min |
| 26 | 07:58 | 08:40 | 16:12 | 16:54 | 7 h 31 min |
| 27 | 07:58 | 08:41 | 16:12 | 16:55 | 7 h 32 min |
| 28 | 07:58 | 08:41 | 16:13 | 16:56 | 7 h 32 min |
| 29 | 07:58 | 08:41 | 16:14 | 16:57 | 7 h 33 min |
| 30 | 07:58 | 08:41 | 16:15 | 16:58 | 7 h 34 min |
| 31 | 07:58 | 08:41 | 16:16 | 16:58 | 7 h 35 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in December?
In December 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 December
- Where does the sun set in Dublin in December?
- Mid-December in Dublin: the sun sets in the southwest, a bearing of 230° measured from true north, which is 40° south of due west. It rises in the southeast, at 130°. Over the month both points shift 2° south.
- How much daylight does Dublin lose in December?
- Over December the day gets 14 minutes shorter in Dublin: on December 1 the sun rises at 08:20 and sets at 16:10, and on day 31 it rises at 08:41 and sets at 16:16.
- How many hours of daylight does Dublin get in December?
- In mid-December the day lasts 7 h 31 min in Dublin, from sunrise at 08:35 to sunset at 16:07. 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 December?
- In mid-December the sky starts to get light at 07:52 in Dublin, when the sun is 6° below the horizon, and the sun itself does not rise until 08:35. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Dublin in December?
- It's not the same time as sunset. In mid-December in Dublin the sun sets at 16:07, but there is still light: civil twilight does not end until 16:49, 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 December?
- At no time of day. Not even at midday on December 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 December it is the season to mind your diet or consider supplementation.