Merle Melinda

2025 Summer Calendar Year Calendar Dates. The months of april, june,. Summer 2025 starts on friday, june 20th in the northern hemisphere, with the first day of summer being the longest daylight day of the year with the earth's axis having reached its furthest tilt and begins to change directiion back.

This page lists all weeks in 2025. This astronomy calendar of celestial events contains dates for notable astonomical events in 2025 including moon phases, meteor showers, eclipses, planetary.