<?php

// Excel DateTimeStamp  Result            Comments
return [
    [714, -2147472000], //  PHP 32-bit Earliest Date        14-Dec-1901
    [1461, -2082931200], //                                  31-Dec-1903
    [1462, -2082844800], //  Excel 1904 Calendar Base Date   01-Jan-1904
    [1463, -2082758400], //                                  02-Jan-1904
    [22269, -285120000], //                                  19-Dec-1960
    [25569, 0], //  PHP Base Date                   01-Jan-1970
    [30292, 408067200], //                                  07-Dec-1982
    [39611, 1213228800], //                                  12-Jun-2008
    [50424, 2147472000], //  PHP 32-bit Latest Date          19-Jan-2038
    [1234.56789, -2102494934], //                                  18-May-1903 13:37:46
    [12345.6789, -1142494943], //                                  18-Oct-1933 16:17:37
    [0.5, 43200], //                                  12:00:00
    [0.75, 64800], //                                  18:00.00
    [0.12345, 10666], //                                  02:57:46
];