This is a Timezone +11 icon. We've made it in iOS style, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 12,700 icons, all in the same style and quality.
This icon depicts a creased map divided into four quadrants with dots on each portion indicating each is a different timezone. A plus sign followed by the number eleven is enclosed within a circle in the bottom right portion of the map.