What's the best way to trim a DateTime object to a specific precision? For instance, if I have a DateTime with a value of '2008-09-29 09:41:43', but I only want it's precision to be to the minute, is there any better way to do it than this?
private static DateTime TrimDateToMinute(DateTime date) { return new DateTime( date.Year, date.Month, date.Day, date.Hour, date.Minute, 0); }
What I would really want is to make it variable so that I could set its precision to the second, minute, hour, or day.
To remove the time from a datetime object in Python, convert the datetime to a date using date(). You can also use strftime() to create a string from a datetime object without the time.
Round(new TimeSpan(1,0,0)); DateTime minuteCeiling = DateTime. Now. Ceil(new TimeSpan(0,1,0)); DateTime weekFloor = DateTime. Now.
For example, the "d" standard format string indicates that a date and time value is to be displayed using a short date pattern. For the invariant culture, this pattern is "MM/dd/yyyy". For the fr-FR culture, it is "dd/MM/yyyy". For the ja-JP culture, it is "yyyy/MM/dd".
static class Program { //using extension method: static DateTime Trim(this DateTime date, long roundTicks) { return new DateTime(date.Ticks - date.Ticks % roundTicks, date.Kind); } //sample usage: static void Main(string[] args) { Console.WriteLine(DateTime.Now); Console.WriteLine(DateTime.Now.Trim(TimeSpan.TicksPerDay)); Console.WriteLine(DateTime.Now.Trim(TimeSpan.TicksPerHour)); Console.WriteLine(DateTime.Now.Trim(TimeSpan.TicksPerMillisecond)); Console.WriteLine(DateTime.Now.Trim(TimeSpan.TicksPerMinute)); Console.WriteLine(DateTime.Now.Trim(TimeSpan.TicksPerSecond)); Console.ReadLine(); } }
You could use an enumeration
public enum DateTimePrecision { Hour, Minute, Second } public static DateTime TrimDate(DateTime date, DateTimePrecision precision) { switch (precision) { case DateTimePrecision.Hour: return new DateTime(date.Year, date.Month, date.Day, date.Hour, 0, 0); case DateTimePrecision.Minute: return new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, 0); case DateTimePrecision.Second: return new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second); default: break; } }
and expand as required.
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