Err: Is not a valid time lazarus / 49-FPSpreadsheet ---------------------------------------------------------------------- wofs · 2021-01-24 12:14 Hi! Code: Pascal  [Select][+][-]window.onload = function(){var x1 = document.getElementById("main_content_section"); if (x1) { var x = document.getElementsByClassName("geshi");for (var i = 0; i ""14:55:56+03:00" is not a valid time If the xlsx file in the docProps/core.xml  is set in the format of 2019-04-11T11:31:35+03:00,  then there is a error. +03:00 — it's a time zone that's turned on during. I suggest we trim it. ---------------------------------------------------------------------- wp · 2021-01-24 13:00 Fixed, also for negative time offsets.