Idea of Timezone +7 Icon
There is a horizontal rectangle with zigzag lines on the top and bottom. Inside the rectangle are four columns of small parsed dots. The bottom right corner of the rectangle is overlapped by a circle about a quarter of the size with the plus symbol then the number seven inside of it.
This Timezone +7 icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.