DateTime Round Up and Down

Question

Ive been looking for a proper rounding mechanism but nothing I find seems to be exactly what I need.

I need to round up and round down seperately and I also need to acco

Answer 1

Here is a fast way to truncate (round down)

var now = DateTime.Now;
var nowTicks = now.Ticks;

//removing the nanoseconds, miliseconds, and seconds from the nowTicks
var lastMinute = new DateTime(nowTicks - (nowTicks % (1000*1000*10*60)));