Hi,
Spreadsheet software typically has functions such as LOOKUP, HLOOKUP, and VLOOKUP to find either a value in a row or column that matches the argument or, in the case of range lookup, to find an interval in a set of adjacent intervals (given by their limits, specified in a row or column) which contains the argument. The result is the corresponding value in a specified parallel row or column. (Source: Wikipedia)
For further information, you may like to refer to the following link:
http://timeatlas.com <link updated to site home>
Thanks,