/// <summary>
/// Calculates the offset from UTC of the specified date where date is of the time zone specified in dateTimeZone
/// </summary>
/// <param name="date"></param>
/// <param name="dateTimeZone"></param>
/// <returns></returns>
public static TimeSpan GetUtcOffset(this DateTime date, SystemTimeZone dateTimeZone)
{
return(GetUtcOffset(date, dateTimeZone.ToString()));
}
public static int GetUtcOffsetInteger(this DateTime date, SystemTimeZone dateTimeZone)
{
return(GetUtcOffsetInteger(date, dateTimeZone.ToString()));
}
public static string LocalTimeToServerTime(this string localTime, SystemTimeZone serverTimeZone, string formatToReturn = "M/dd/yyyy h:mm tt")
{
return(DateTime.Parse(localTime).LocalTimeToServerTime(serverTimeZone).ToString(formatToReturn));
}
public static DateTime ToNewTimeZone(this DateTime @this, SystemTimeZone fromTimeZone, SystemTimeZone toTimeZone)
{
return(@this.ToNewTimeZone(fromTimeZone.ToString(), toTimeZone.ToString()));
}
public static DateTime LocalTimeToServerTime(this DateTime localTime, SystemTimeZone serverTimeZone)
{
return(LocalTimeToServerTime(localTime, serverTimeZone.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="serverTime"></param>
/// <param name="localTimeZone"></param>
/// <example>
/// var localTimeZone = SystemTimeZone.DateLineStandardTime;
/// var serverTime = DateTime.Now;
/// var localTime = serverTime.ServerTimeToLocalTime(localTimeZone);</example>
/// <returns></returns>
public static DateTime ServerTimeToLocalTime(this DateTime serverTime, SystemTimeZone localTimeZone)
{
return(ServerTimeToLocalTime(serverTime, localTimeZone.ToString()));
}
public static DateTime?ToUniversalTime(this DateTime?localTime, SystemTimeZone localTimeZone)
{
return(localTime?.ToUniversalTime(localTimeZone.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="utcDate">The date time in UTC to convert to local.</param>
/// <param name="localTimeZone">The time zone to convert to.</param>
/// <returns></returns>
public static DateTime?Local(this DateTime?utcDate, SystemTimeZone localTimeZone)
{
return(utcDate?.Local(localTimeZone));
}
public static DateTime Local(this DateTime utcDate, SystemTimeZone systemTimeZone)
{
return(Local(utcDate, systemTimeZone.ToString()));
}