In the Summer they call their time "Irish Standard Time", which indicates that they view the summer offset as the standard one and they are using "winter time"

In the Summer they call their time "Irish Standard Time", which indicates that they view the summer offset as the standard one and they are using "winter time" [1]. It's just a matter of perspective. [1] https://en.wikipedia.org/wiki/Winter_time_(clock_lag) https://en.wikipedia.org/wiki/Winter_time_(clock_lag)