Arabic and Indian Numerals

WESTERN	0	1	2	3	4	5	6	7	8	9
ARABIC
PERSIAN IRANIAN
INDIAN

Islamic (AH) to Gregorian (AD) Date Conversion

AD = 0.97023 x AH + 621.57
Iranian Solar Hejri (SH) Year + 621 or 622^* = Gregorian (AD) Year