title: June solstice start: 2018-06-21 start time: 09:54 tags: Astronomie astronomy naked-eye sky links: Web link https://in-the-sky.org/news.php?id=20180621_07_100 description: 21 June will be the longest day of 2018 in the northern hemisphere. https://in-the-sky.org/news.php?id=20180621_07_100