namespace MyOffice.Core.Extensions; public static class DateTimeExtensions { public static DateTime StartOfDay(this DateTime dateTime) { return dateTime.Date; } public static DateTime EndOfDay(this DateTime dateTime) { return dateTime.AddDays(1).AddTicks(-1); } public static DateTime ToUtc(this DateTime dateTime) { return new DateTime(dateTime.Ticks, DateTimeKind.Utc); } }