using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace WindowsFormsApp1.utils { class TimeUtil { public static Int64 convertToTimeStamp(DateTime dt) { DateTime dateStart = new DateTime(1970, 1, 1, 8, 0, 0); return Convert.ToInt64((dt - dateStart).TotalSeconds); } public static String GetGeneralTime(DateTime dt,String format) { return dt.ToString(format); } } }