When Does Summer Start 2027. Summer 2027 starts on monday, june 21st 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. How many days until summer 2027?

Need to know the exact date of of the first day of summer this year? Uk bank holidays 2027 list of bank holidays uk 2027 include national and local holidays for england, wales, northern ireland and scotland.