The sun reaches the March equinox at 5:01 a.m. Eastern Daylight Time on March 20. This is when it crosses the equator heading northward. This moment marks the change of seasons: the beginning of spring in the Northern Hemisphere and fall in the Southern.

A rare planetary alignment will make six planets visible shortly after sunset this weekend. Here's which planets you could see and the best way to view.

Josh Dury, from Bristol, photographed the planetary parade in Worth Matravers.

The universe is messy and complicated.

This is your final weekend to catch February’s fading 6-planet lineup or "planet alignment". Here’s what’s still visible — and what’s already gone.

Six planets will align in February as part of a rare planetary parade. Find out how and when you can see the event.