Longest Day Of The Year 2025 Uk. 17 mar st patrick's day (northern ireland) 30 mar mother's day. 2025 uk bank holidays england and wales.

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. Bank holidays in england and wales 2025: