The longest day of 2027 is Monday, 21 June
Dublin gets 17 hours 1 minute of daylight. The summer solstice is at about 15:10, and from then the days get shorter again.
- Sunrise in Dublin
- 04:57
- Sunset in Dublin
- 21:58
- Daylight
- 17h 01m
Across Ireland on the day
The north gets the most light. Derry has 17 hours 23 minutes, 40 minutes more than Cork. Sunrise and sunset both come about 13 minutes later in Killarney than in Wexford.
| Town | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Derry | 04:50 | 22:13 | 17h 23m |
| Letterkenny | 04:52 | 22:14 | 17h 22m |
| Belfast | 04:48 | 22:04 | 17h 16m |
| Sligo | 05:00 | 22:12 | 17h 12m |
| Dundalk | 04:53 | 22:02 | 17h 09m |
| Athlone | 05:03 | 22:05 | 17h 02m |
| Dublin | 04:57 | 21:58 | 17h 01m |
| Galway | 05:09 | 22:08 | 16h 59m |
| Limerick | 05:11 | 22:03 | 16h 52m |
| Kilkenny | 05:05 | 21:57 | 16h 52m |
| Wexford | 05:04 | 21:52 | 16h 48m |
| Waterford | 05:07 | 21:54 | 16h 47m |
| Killarney | 05:18 | 22:03 | 16h 45m |
| Cork | 05:15 | 21:58 | 16h 43m |
The mornings turn before the evenings
Sunrise in Dublin is earliest around 17 June, at 04:57, a few days before the longest day. The evenings keep getting later until around 24 June, when the sun sets at 21:58. The longest day sits between the two.
How quickly the light goes
| In Dublin on | Daylight | Less than on 21 June |
|---|---|---|
| 1 July | 16h 55m | 0h 06m |
| 1 August | 15h 40m | 1h 21m |
| 1 September | 13h 42m | 3h 19m |
The shortest day, Monday, 21 December 2026, has 9 hours 31 minutes less daylight in Dublin.
Questions
When is the longest day of the year in Ireland?
Monday, 21 June 2027. The summer solstice is at about 15:10 that day, and Dublin gets 17 hours 1 minute of daylight.
Is the longest day always 21 June?
Usually, but not always. It falls on 21 June 2027, 20 June 2028, 21 June 2029, 21 June 2030 and 21 June 2031.
When is the earliest sunrise?
Around 17 June, when the sun rises in Dublin at 04:57. That is a few days before the longest day.
When is the latest sunset?
Around 24 June, when the sun sets in Dublin at 21:58. That is a few days after the longest day.
Does it get dark at all in Ireland in midsummer?
Not fully. Around the longest day the sun never sinks far enough below the horizon anywhere in Ireland for the sky to reach full darkness. In Donegal there is a glow in the north all night.
Sunrise and sunset in Ireland today · When the clocks change · Where it is day and night right now