When using The Events Calendar, we recommend that you use a geographic timezone such as «America/Los_Angeles» and avoid using a UTC timezone offset such as “UTC+3”.
Choosing a UTC timezone for your site or individual events may cause problems when importing events or with Daylight Saving Time. Read more

When using The Events Calendar, we recommend that you use a geographic timezone such as «America/Los_Angeles» and avoid using a UTC timezone offset such as “UTC+3”.
Choosing a UTC timezone for your site or individual events may cause problems when importing events or with Daylight Saving Time. Choosing a UTC timezone for your site or individual events may cause problems when importing events or with Daylight Saving Time.