Enter the time in number format, e.g. 1234.56, in the text box next to "Time to convert", or alternatively...
Enter the time in DD:HH:MM:SS format. In the latter case, please make sure that it exactly consists of 4 groups of 2 digits separated by a colon, comma, dot, semicolon or a space.
Select the units to "Convert from" and to "Convert to" from the drop-down boxes.
