When Will Planets Align 2024. While mercury, mars, jupiter and saturn can be seen. The optimal viewing time for this planetary alignment falls on june 3, 2024, but the spectacle will be visible over several days leading up to and following this date.

A planetary parade—also called a planetary alignment—happens when two or more planets come close together in the sky, appearing to be in line with one. Then, in february, venus will join the crowd, marking the first time seven planets will align in the sky since this past.