Pierwszy kwartał Icon in Material Style

This Pierwszy kwartał 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 4,300 icons, all in the same style and quality.
It’s a circle that signifies the moon. It has a line drawn down the middle, cutting it in half. The left half is filled in with dots and the right half is left plain.