Summer time starts at the same time in all of Europe, but at different local times, depending on the time zone.
Contrary to other locations that observe daylight saving time, Ireland has daylight saving time in the winter, and standard time in the summer. Winter time is still one hour behind summer time.
"Don't be fooled by the calendar. There are only as many days in the year as you make use of. One man gets only a week's value out of a year while another man gets a full year's value out of a week."