Arabic Open Fathatan (U+08F0) is a Unicode nonspacing mark from the Arabic Extended-A block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 27 (Fixed Position Class Ccc27). In HTML it can be written as ࣰ or ࣰ.