diff --git a/crypto/src/util/date/DateTimeUtilities.cs b/crypto/src/util/date/DateTimeUtilities.cs
index c46cde8db..1105cbdd7 100644
--- a/crypto/src/util/date/DateTimeUtilities.cs
+++ b/crypto/src/util/date/DateTimeUtilities.cs
@@ -56,28 +56,26 @@ namespace Org.BouncyCastle.Utilities.Date
public static DateTime WithPrecisionCentisecond(DateTime dateTime)
{
- int millisecond = dateTime.Millisecond - (dateTime.Millisecond % 10);
- return new DateTime(dateTime.Year, dateTime.Month, dateTime.Day,
- dateTime.Hour, dateTime.Minute, dateTime.Second, millisecond, dateTime.Kind);
+ long ticks = dateTime.Ticks - dateTime.Ticks % (TimeSpan.TicksPerMillisecond * 10L);
+ return new DateTime(ticks, dateTime.Kind);
}
public static DateTime WithPrecisionDecisecond(DateTime dateTime)
{
- int millisecond = dateTime.Millisecond - (dateTime.Millisecond % 100);
- return new DateTime(dateTime.Year, dateTime.Month, dateTime.Day,
- dateTime.Hour, dateTime.Minute, dateTime.Second, millisecond, dateTime.Kind);
+ long ticks = dateTime.Ticks - dateTime.Ticks % (TimeSpan.TicksPerMillisecond * 100L);
+ return new DateTime(ticks, dateTime.Kind);
}
public static DateTime WithPrecisionMillisecond(DateTime dateTime)
{
- return new DateTime(dateTime.Year, dateTime.Month, dateTime.Day,
- dateTime.Hour, dateTime.Minute, dateTime.Second, dateTime.Millisecond, dateTime.Kind);
+ long ticks = dateTime.Ticks - dateTime.Ticks % TimeSpan.TicksPerMillisecond;
+ return new DateTime(ticks, dateTime.Kind);
}
public static DateTime WithPrecisionSecond(DateTime dateTime)
{
- return new DateTime(dateTime.Year, dateTime.Month, dateTime.Day,
- dateTime.Hour, dateTime.Minute, dateTime.Second, dateTime.Kind);
+ long ticks = dateTime.Ticks - dateTime.Ticks % TimeSpan.TicksPerSecond;
+ return new DateTime(ticks, dateTime.Kind);
}
}
}
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