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Calculate relative time in C#

ayi

<t>Calculate relative time in C#</t>

ayi

<t>Jeff, your code is nice but could be clearer with constants (as suggested in Code Complete). 
 
`const int SECOND = 1; 
const int MINUTE = 60 * SECOND; 
const int HOUR = 60 * MINUTE; 
const int DAY = 24 * HOUR; 
const int MONTH = 30 * DAY; 
 
var ts = new TimeSpan(DateTime.UtcNow.Ticks - yourDate.Ticks); 
double delta = Math.Abs(ts.TotalSeconds); 
 
if (delta < 1 * MINUTE) 
return ts.Seconds == 1 ? "one second ago" : ts.Seconds + " seconds ago"; 
 
if (delta < 2 * MINUTE) 
return "a minute ago"; 
 
if (delta < 45 * MINUTE) 
return ts.Minutes + " minutes ago"; 
 
if (delta < 90 * MINUTE) 
return "an hour ago"; 
 
if (delta < 24 * HOUR) 
return ts.Hours + " hours ago"; 
 
if (delta < 48 * HOUR) 
return "yesterday"; 
 
if (delta < 30 * DAY) 
return ts.Days + " days ago"; 
 
if (delta < 12 * MONTH) 
{ 
int months = Convert.ToInt32(Math.Floor((double)ts.Days / 30)); 
return months <= 1 ? "one month ago" : months + " months ago"; 
} 
else 
{ 
int years = Convert.ToInt32(Math.Floor((double)ts.Days / 365)); 
return years <= 1 ? "one year ago" : years + " years ago"; 
}