1

I have a time span string as

1.21:00:00

it means 45 hours and i need it as

45:00:00

is it possible to do that in c#?

Waqas
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4 Answers4

4

Just adding my answer because the string formatting can be done easier than current suggestions.

var ts = TimeSpan.Parse("1.21:00:00");
string.Format("{0}:{1:mm}:{1:ss}", ts.TotalHours, ts); // 45:00:00

Unlike Jon's answer it doesn't require escaping. And unlike Soner's answer, it doesn't require passing the parameter twice.

Edit

For fractional TotalHours you probably want to floor the value like so:

var ts = TimeSpan.Parse("1.21:55:00");      
string.Format("{0}:{1:mm}:{1:ss}", Math.Floor(ts.TotalHours), ts);
Phill
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  • i used you suggestion it works but when i pass "1.21:20:00" this parameter then it gives "45.3333333333333:20:00" but i only need "45:20:00". – Waqas Jul 09 '15 at 06:36
  • One issue more sir. Now this function return me 1 hour more than actual hours. kindly recheck please – Waqas Jul 09 '15 at 07:14
  • @Waqas did you use Math.Floor? Because Round or Ceiling would cause it it to go up instead of down. Can you give me a test value that causes it to round up? – Phill Jul 09 '15 at 07:53
  • yeah i used it, code is running quite well but give me 1 hours greater than accurate duration – Waqas Jul 09 '15 at 10:17
3

Unfortunately I don't think the TimeSpan custom formatting makes this feasible :(

You could either perform the string formatting yourself...

string text = (int) span.TotalHours + span.ToString(@"\:mm\:ss");

Or

string text = string.Format(@"{0}:{1:mm\:ss}", (int) span.TotalHours, span);

... or you could use my Noda Time library, which does allow for this:

// Or convert from a TimeSpan to a Duration
var duration = Duration.FromHours(50);
var durationPattern = DurationPattern.CreateWithInvariantCulture("HH:mm:ss");
Console.WriteLine(durationPattern.Format(duration)); // 50:00:00

Obviously I'd recommend moving your whole code base over to Noda Time to make all your date/time code clearer, but I'm biased :)

Jon Skeet
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2

If this is string and your CurrentCulture has : as a TimeSeparator, you can use like;

var ts = TimeSpan.Parse("1.21:00:00");
string.Format("{0}:{1:mm}:{2:ss}", ts.TotalHours, ts, ts); // 45:00:00

or you can combine minute and second parts as Jon did like;

string.Format(@"{0}:{1:mm\:ss}", ts.TotalHours, ts) // 45:00:00
Soner Gönül
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0

You can use Span.TotalHours property to get total hours from a time span.

TimeSpan span;
string timeSpan = "1.21:00:00";
TimeSpan.TryParse(timeSpan, out span);
double hours = span.TotalHours;
Mairaj Ahmad
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  • if i have this timespan(1,21,20,0) then it give me like 45.333333333333329 and i need 45:20:00.Can you please update it for me? – Waqas Jul 09 '15 at 06:27