NET
19 Therefore repent and turn back so that your sins may be wiped out,
Darby
19 Repent therefore and be converted, for the blotting out of your sins, so that times of refreshing may come from [the] presence of the Lord,
KJV
19 Repent ye therefore, and be converted, that your sins may be blotted out, when the times of refreshing shall come from the presence of the Lord;