Poland is in the Central European Time Zone (CET). CET is defined as the standard time of Central Europe, one hour ahead of UTC (UTC+1).
Poland utilizes Daylight Saving Time. In Europe daylight saving time is often referred to as „Summer Time.” In Poland, Daylight Saving Time (CET, UTC+2) starts at 02:00 am on the last Sunday of March and ends at 03:00 am on the last Sunday of October.
Poland is GMT/UTC + 1h during Standard Time
Poland is GMT/UTC + 2h during Daylight Saving Time
For checking the time difference between Poland and other countries you can use this time converter.