This icon is a part of a collection of Strefa czasowa +4 flat icons produced by Icons8. Icons follow the guidelines of iOS, Windows, and Android and are designed by a single designer, guaranteeing the consistent quality. Both PNG and vector are available.
It consists of two objects, one superimposed on the other. In the background is a semi-folded, generic map that has a zig-zag top and bottom and is covered in small dots. In the foreground is a medium-sized circle with the text "+4" in the middle.