using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Serwer.Infrastructure.Extentions { public static class Extentions { public static long ToTimestamp(this DateTime dateTime) { var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); var time = dateTime.Ticks - epoch.Ticks; return time / TimeSpan.TicksPerSecond; } } }