| Night Time: | 8 hours, 17 minutes |
|---|---|
| Sunset: | 15 May, 21:29 |
| End of Twilight*: | 15 May, 23:10 |
| Start of Twilight*: | 16 May, 04:06 |
| Sunrise: | 16 May, 05:46 |
May 23: Three Solar System Bodies in Alignment
Venus, the Moon, and Saturn will line up in the sky before sunrise.
Our Interactive Night Sky Map simulates the sky above Rotterdam. The Moon and planets have been enlarged slightly for clarity. On mobile devices, tap to steer the map by pointing your device at the sky. Need some help?
Tonight's Sky in Rotterdam, 15 May – 16 May 2025
Mercury rise and set in Rotterdam
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Mercury is just 16 degrees from the Sun in the sky, so it is difficult to see.
16 May Cum ↑05:24
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Venus rise and set in Rotterdam
View before sunrise.
Venus can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter. Venus is visible by day, but may be hard to find.
16 May Cum ↑04:24
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Mars rise and set in Rotterdam
View after sunset.
Mars can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
16 May Cum ↓02:55
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Jupiter rise and set in Rotterdam
View after sunset.
Jupiter can best be seen in the hours just after sunset. Visibility improves as the sunlight fades.
15 May Per ↓23:59
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Saturn rise and set in Rotterdam
View before sunrise.
Saturn can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter.
16 May Cum ↑04:13
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Uranus rise and set in Rotterdam
Very close to Sun, hard or impossible to see.
Uranus is just 2 degrees from the Sun in the sky, so it is difficult or impossible to see it.
15 May Per ↓21:37
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Neptune rise and set in Rotterdam
View before sunrise. Use binoculars.
Neptune can best be seen in the hours just before sunrise. Visibility deteriorates as the sky gets brighter. Very faint, use binoculars.
16 May Cum ↑04:12
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Planets Visible in Rotterdam
| Planetrise/Planetset, 15 May 2025 Per | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Cum 05:24 | Cum 19:54 | Cum 12:38 | Slightly difficult to see |
| Venus | Cum 04:24 | Cum 17:05 | Cum 10:44 | Great visibility |
| Mars | Per 11:23 | Cum 02:55 | Per 19:09 | Average visibility |
| Jupiter | Per 07:27 | Per 23:59 | Per 15:43 | Fairly good visibility |
| Saturn | Cum 04:13 | Cum 15:57 | Cum 10:05 | Average visibility |
| Uranus | Per 05:58 | Per 21:37 | Per 13:47 | Extremely difficult to see |
| Neptune | Cum 04:12 | Cum 16:12 | Cum 10:12 | Very difficult to see |
