July 21, 2026 · Cacém, Portugal
Sunrise in Cacém today is at 06:30. Day length is 14h 29m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Cacém's coordinates and updated daily.
Cacém lies at 39°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in midsummer.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for Cacém.
The longest day in Cacém is around 14h 53m (around June 21). The shortest is around 9h 27m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 07:55 | 17:38 | 9h 43m |
| February | 07:31 | 18:14 | 10h 43m |
| March | 06:51 | 18:43 | 11h 52m |
| April | 07:03 | 20:13 | 13h 10m |
| May | 06:27 | 20:42 | 14h 15m |
| June | 06:13 | 21:04 | 14h 51m |
| July | 06:24 | 21:03 | 14h 39m |
| August | 06:51 | 20:35 | 13h 44m |
| September | 07:18 | 19:49 | 12h 31m |
| October | 07:46 | 19:02 | 11h 16m |
| November | 07:19 | 17:26 | 10h 7m |
| December | 07:48 | 17:17 | 9h 29m |