{"id":330,"date":"2021-10-19T19:37:00","date_gmt":"2021-10-19T19:37:00","guid":{"rendered":"https:\/\/www.bjorn-meijer.nl\/?p=330"},"modified":"2021-11-02T20:39:21","modified_gmt":"2021-11-02T20:39:21","slug":"converteer-unix-tijdstempel-naar-excel-datum","status":"publish","type":"post","link":"https:\/\/www.bjorn-meijer.nl\/en\/2021\/10\/19\/convert-unix-timestamp-to-excel-date\/","title":{"rendered":"Convert Unix Timestamp to Excel Date"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-wat-is-een-unix-tijdstempel\">What is a Unix Timestamp?<\/h2>\n\n\n\n<p>A Unix timestamp is the number of seconds that have passed since January 1, 1970 midnight. This does not include the leap seconds.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-hoe-excel-met-datum-en-tijd-omgaat\">How Excel handles date and time.<\/h2>\n\n\n\n<p>To convert a Unix timestamp to a readable date, let&#039;s first look at how Excel handles dates. As you read above, the Unix timestamp starts on January 1, 1970.<br>Excel started counting dates on January 1, 1900. Excel reads the date as a numerical number. In the table below you see the date in the left column as we read it, in the right column as Excel reads a date.<\/p>\n\n\n\n<div class=\"wp-block-wpdatatables-wpdatatables-gutenberg-block\">\n<div class=\"wpdt-c wdt-skin-light\">\n    \n<input type=\"hidden\" id=\"wdtNonceFrontendEdit_18\" name=\"wdtNonceFrontendEdit_18\" value=\"a63dea86c8\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/en\/wp-json\/wp\/v2\/posts\/330\" \/>    <input type=\"hidden\" id=\"table_1_desc\"\n           value='{\"tableId\":\"table_1\",\"tableType\":\"manual\",\"selector\":\"#table_1\",\"responsive\":false,\"responsiveAction\":\"icon\",\"editable\":false,\"inlineEditing\":false,\"infoBlock\":true,\"pagination\":1,\"paginationAlign\":\"right\",\"paginationLayout\":\"full_numbers\",\"paginationLayoutMobile\":\"simple\",\"file_location\":\"\",\"tableSkin\":\"light\",\"scrollable\":false,\"globalSearch\":false,\"showRowsPerPage\":false,\"popoverTools\":false,\"hideBeforeLoad\":false,\"number_format\":1,\"decimalPlaces\":2,\"spinnerSrc\":\"https:\\\/\\\/www.bjorn-meijer.nl\\\/wp-content\\\/plugins\\\/wpdatatables\\\/assets\\\/\\\/img\\\/spinner.gif\",\"groupingEnabled\":false,\"tableWpId\":18,\"dataTableParams\":{\"sDom\":\"BT\\u003C\\u0027clear\\u0027\\u003Etip\",\"bSortCellsTop\":false,\"bFilter\":true,\"bPaginate\":true,\"sPaginationType\":\"full_numbers\",\"aLengthMenu\":[[1,5,10,25,50,100,-1],[1,5,10,25,50,100,\"All\"]],\"iDisplayLength\":10,\"columnDefs\":[{\"sType\":\"formatted-num\",\"wdtType\":\"int\",\"bVisible\":false,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"wdt_ID\",\"origHeader\":\"wdt_ID\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\"numdata integer  column-wdt_id\",\"aTargets\":[0]},{\"sType\":\"string\",\"wdtType\":\"string\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"datum\",\"origHeader\":\"datum\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" column-datum\",\"aTargets\":[1]},{\"sType\":\"string\",\"wdtType\":\"string\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"getal\",\"origHeader\":\"getal\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" column-getal\",\"aTargets\":[2]}],\"bAutoWidth\":false,\"order\":[[0,\"asc\"]],\"ordering\":false,\"fixedHeader\":{\"header\":false,\"headerOffset\":0},\"fixedColumns\":false,\"oLanguage\":{\"sProcessing\":\"Bezig...\",\"sLengthMenu\":\"_MENU_ resultaten weergeven\",\"sZeroRecords\":\"Geen resultaten gevonden\",\"sInfo\":\"_START_ tot _END_ van _TOTAL_ resultaten\",\"sInfoEmpty\":\"Geen resultaten om weer te geven\",\"sInfoFiltered\":\" (gefilterd uit _MAX_ resultaten)\",\"sInfoPostFix\":\"\",\"sSearch\":\"Zoeken:\",\"sSearchPlaceholder\":\"\",\"sEmptyTable\":\"Geen resultaten aanwezig in de tabel\",\"sInfoThousands\":\".\",\"sLoadingRecords\":\"Een moment geduld aub - bezig met laden...\",\"oPaginate\":{\"sFirst\":\"Eerste\",\"sLast\":\"Laatste\",\"sNext\":\"Volgende\",\"sPrevious\":\"Vorige\"}},\"buttons\":[],\"bProcessing\":false,\"serverSide\":true,\"ajax\":{\"url\":\"https:\\\/\\\/www.bjorn-meijer.nl\\\/wp-admin\\\/admin-ajax.php?action=get_wdtable&table_id=18\",\"type\":\"POST\"},\"oSearch\":{\"bSmart\":false,\"bRegex\":false,\"sSearch\":\"\"}},\"tabletWidth\":\"1024\",\"mobileWidth\":\"480\",\"renderFilter\":\"footer\",\"advancedFilterEnabled\":false,\"serverSide\":true,\"autoRefreshInterval\":0,\"processing\":true,\"fnServerData\":true,\"columnsFixed\":0,\"sumFunctionsLabel\":\"\",\"avgFunctionsLabel\":\"\",\"minFunctionsLabel\":\"\",\"maxFunctionsLabel\":\"\",\"columnsDecimalPlaces\":{\"wdt_ID\":-1,\"datum\":-1,\"getal\":-1},\"columnsThousandsSeparator\":{\"wdt_ID\":0},\"sumColumns\":[],\"avgColumns\":[],\"sumAvgColumns\":[],\"timeFormat\":\"H:i\",\"datepickFormat\":\"dd M yy\"}'\/>\n\n    <table id=\"table_1\"\n           class=\"display nowrap data-t data-t wpDataTable wpDataTableID-18\"\n           style=\"\"\n           data-described-by='table_1_desc'\n           data-wpdatatable_id=\"18\">\n        \n        <!-- Table header -->\n        \n<thead>\n<tr>\n                    <th\n                        class=\"wdtheader sort numdata integer\"\n        style=\"\">wdt_ID<\/th>        <th\n        data-class=\"expand\"                class=\"wdtheader sort\"\n        style=\"\">Date<\/th>        <th\n                        class=\"wdtheader sort\"\n        style=\"\">Number<\/th>    <\/tr>\n<\/thead>\n        <!-- \/Table header -->\n\n        <!-- Table body -->\n        \n<tbody>\n            <tr id=\"table_18_row_0\">\n                            <td style=\"\">1<\/td>\n                            <td style=\"\">January 1, 1900<\/td>\n                            <td style=\"\">1<\/td>\n                    <\/tr>\n                <tr id=\"table_18_row_1\">\n                            <td style=\"\">2<\/td>\n                            <td style=\"\">Dec 15, 1995<\/td>\n                            <td style=\"\">35048<\/td>\n                    <\/tr>\n                <tr id=\"table_18_row_2\">\n                            <td style=\"\">3<\/td>\n                            <td style=\"\">June 24, 2001<\/td>\n                            <td style=\"\">37066<\/td>\n                    <\/tr>\n                <tr id=\"table_18_row_3\">\n                            <td style=\"\">4<\/td>\n                            <td style=\"\">July 13, 2003 3:00 PM<\/td>\n                            <td style=\"\">37832,63<\/td>\n                    <\/tr>\n    <\/tbody>        <!-- \/Table body -->\n\n        <!-- Table footer -->\n        \n        <!-- \/Table footer -->\n    <\/table>\n\n<\/div><style>\ntable.wpDataTable td.numdata { text-align: right !important; }\n<\/style>\n<style>\n<\/style>\n<\/div>\n\n\n\n<p>On the last line of the table above you see that a time has been added to the date. Because in Excel, a 24-hour day equals 1, an hour equals <img decoding=\"async\" src=\"https:\/\/s0.wp.com\/latex.php?latex=%5Cfrac%7B%5Ctext%7B1%7D%7D%7B%5Ctext%7B24%7D%7D+%3D0%2C042&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"\\frac{\\text{1}}{\\text{24}} =0.042\" class=\"latex\" \/>. Time can be represented in Excel as a fractional value of 1 (see table below). To display the value as a time format after a date, the time format must be added in the cell properties.<\/p>\n\n\n\n<div class=\"wp-block-wpdatatables-wpdatatables-gutenberg-block\">\n<div class=\"wpdt-c wdt-skin-light\">\n    \n<input type=\"hidden\" id=\"wdtNonceFrontendEdit_19\" name=\"wdtNonceFrontendEdit_19\" value=\"d542f3b28a\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/en\/wp-json\/wp\/v2\/posts\/330\" \/>    <input type=\"hidden\" id=\"table_2_desc\"\n           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integer  column-wdt_id\",\"aTargets\":[0]},{\"sType\":\"formatted-num\",\"wdtType\":\"int\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"uren\",\"origHeader\":\"uren\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\"numdata integer  column-uren\",\"aTargets\":[1]},{\"sType\":\"time-custom\",\"wdtType\":\"time\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"time\",\"name\":\"tijd\",\"origHeader\":\"tijd\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" column-tijd\",\"aTargets\":[2]},{\"sType\":\"string\",\"wdtType\":\"string\",\"bVisible\":true,\"orderable\":true,\"searchable\":true,\"InputType\":\"text\",\"name\":\"breuk\",\"origHeader\":\"breuk\",\"notNull\":false,\"conditionalFormattingRules\":[],\"className\":\" 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laden...\",\"oPaginate\":{\"sFirst\":\"Eerste\",\"sLast\":\"Laatste\",\"sNext\":\"Volgende\",\"sPrevious\":\"Vorige\"}},\"buttons\":[],\"bProcessing\":false,\"serverSide\":true,\"ajax\":{\"url\":\"https:\\\/\\\/www.bjorn-meijer.nl\\\/wp-admin\\\/admin-ajax.php?action=get_wdtable&table_id=19\",\"type\":\"POST\"},\"oSearch\":{\"bSmart\":false,\"bRegex\":false,\"sSearch\":\"\"}},\"tabletWidth\":\"1024\",\"mobileWidth\":\"480\",\"renderFilter\":\"footer\",\"advancedFilterEnabled\":false,\"serverSide\":true,\"autoRefreshInterval\":0,\"processing\":true,\"fnServerData\":true,\"columnsFixed\":0,\"sumFunctionsLabel\":\"\",\"avgFunctionsLabel\":\"\",\"minFunctionsLabel\":\"\",\"maxFunctionsLabel\":\"\",\"columnsDecimalPlaces\":{\"wdt_ID\":-1,\"uren\":-1,\"tijd\":-1,\"breuk\":-1,\"waarde\":3},\"columnsThousandsSeparator\":{\"wdt_ID\":0,\"uren\":1},\"sumColumns\":[],\"avgColumns\":[],\"sumAvgColumns\":[],\"timeFormat\":\"H:i\",\"datepickFormat\":\"dd M yy\"}'\/>\n\n    <table id=\"table_2\"\n           class=\"display nowrap data-t data-t wpDataTable wpDataTableID-19\"\n           style=\"\"\n           data-described-by='table_2_desc'\n           data-wpdatatable_id=\"19\">\n        \n        <!-- Table header -->\n        \n<thead>\n<tr>\n                    <th\n                        class=\"wdtheader sort numdata integer\"\n        style=\"\">wdt_ID<\/th>        <th\n        data-class=\"expand\"                class=\"wdtheader sort numdata integer\"\n        style=\"\">Hours<\/th>        <th\n                        class=\"wdtheader sort\"\n        style=\"\">Time<\/th>        <th\n                        class=\"wdtheader sort\"\n        style=\"\">fracture<\/th>        <th\n                        class=\"wdtheader sort numdata float\"\n        style=\"\">Where the<\/th>    <\/tr>\n<\/thead>\n        <!-- \/Table header -->\n\n        <!-- Table body -->\n        \n<tbody>\n            <tr id=\"table_19_row_0\">\n                            <td style=\"\">1<\/td>\n                            <td style=\"\">1<\/td>\n                            <td style=\"\">01:00<\/td>\n                            <td style=\"\">1\/24<\/td>\n                            <td style=\"\">0,042<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_1\">\n                            <td style=\"\">2<\/td>\n                            <td style=\"\">2<\/td>\n                            <td style=\"\">02:00<\/td>\n                            <td style=\"\">2\/24<\/td>\n                            <td style=\"\">0,083<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_2\">\n                            <td style=\"\">3<\/td>\n                            <td style=\"\">3<\/td>\n                            <td style=\"\">03:00<\/td>\n                            <td style=\"\">3\/24<\/td>\n                            <td style=\"\">0,125<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_3\">\n                            <td style=\"\">4<\/td>\n                            <td style=\"\">4<\/td>\n                            <td style=\"\">04:00<\/td>\n                            <td style=\"\">4\/24<\/td>\n                            <td style=\"\">0,167<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_4\">\n                            <td style=\"\">5<\/td>\n                            <td style=\"\">5<\/td>\n                            <td style=\"\">05:00<\/td>\n                            <td style=\"\">5\/24<\/td>\n                            <td style=\"\">0,208<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_5\">\n                            <td style=\"\">6<\/td>\n                            <td style=\"\">6<\/td>\n                            <td style=\"\">06:00<\/td>\n                            <td style=\"\">6\/24<\/td>\n                            <td style=\"\">0,250<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_6\">\n                            <td style=\"\">7<\/td>\n                            <td style=\"\">7<\/td>\n                            <td style=\"\">07:00<\/td>\n                            <td style=\"\">7\/24<\/td>\n                            <td style=\"\">0,292<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_7\">\n                            <td style=\"\">8<\/td>\n                            <td style=\"\">8<\/td>\n                            <td style=\"\">08:00<\/td>\n                            <td style=\"\">8\/24<\/td>\n                            <td style=\"\">0,333<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_8\">\n                            <td style=\"\">9<\/td>\n                            <td style=\"\">9<\/td>\n                            <td style=\"\">09:00<\/td>\n                            <td style=\"\">9\/24<\/td>\n                            <td style=\"\">0,375<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_9\">\n                            <td style=\"\">10<\/td>\n                            <td style=\"\">10<\/td>\n                            <td style=\"\">10:00<\/td>\n                            <td style=\"\">10\/24<\/td>\n                            <td style=\"\">0,417<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_10\">\n                            <td style=\"\">11<\/td>\n                            <td style=\"\">11<\/td>\n                            <td style=\"\">11:00<\/td>\n                            <td style=\"\">11\/24<\/td>\n                            <td style=\"\">0,458<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_11\">\n                            <td style=\"\">12<\/td>\n                            <td style=\"\">12<\/td>\n                            <td style=\"\">12:00<\/td>\n                            <td style=\"\">12\/24<\/td>\n                            <td style=\"\">0,500<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_12\">\n                            <td style=\"\">13<\/td>\n                            <td style=\"\">13<\/td>\n                            <td style=\"\">13:00<\/td>\n                            <td style=\"\">13\/24<\/td>\n                            <td style=\"\">0,542<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_13\">\n                            <td style=\"\">14<\/td>\n                            <td style=\"\">14<\/td>\n                            <td style=\"\">14:00<\/td>\n                            <td style=\"\">14\/24<\/td>\n                            <td style=\"\">0,583<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_14\">\n                            <td style=\"\">15<\/td>\n                            <td style=\"\">15<\/td>\n                            <td style=\"\">15:00<\/td>\n                            <td style=\"\">15\/24<\/td>\n                            <td style=\"\">0,625<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_15\">\n                            <td style=\"\">16<\/td>\n                            <td style=\"\">16<\/td>\n                            <td style=\"\">16:00<\/td>\n                            <td style=\"\">16\/24<\/td>\n                            <td style=\"\">0,667<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_16\">\n                            <td style=\"\">17<\/td>\n                            <td style=\"\">17<\/td>\n                            <td style=\"\">17:00<\/td>\n                            <td style=\"\">17\/24<\/td>\n                            <td style=\"\">0,708<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_17\">\n                            <td style=\"\">18<\/td>\n                            <td style=\"\">18<\/td>\n                            <td style=\"\">18:00<\/td>\n                            <td style=\"\">18\/24<\/td>\n                            <td style=\"\">0,750<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_18\">\n                            <td style=\"\">19<\/td>\n                            <td style=\"\">19<\/td>\n                            <td style=\"\">19:00<\/td>\n                            <td style=\"\">19\/24<\/td>\n                            <td style=\"\">0,792<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_19\">\n                            <td style=\"\">20<\/td>\n                            <td style=\"\">20<\/td>\n                            <td style=\"\">20:00<\/td>\n                            <td style=\"\">20\/24<\/td>\n                            <td style=\"\">0,833<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_20\">\n                            <td style=\"\">21<\/td>\n                            <td style=\"\">21<\/td>\n                            <td style=\"\">21:00<\/td>\n                            <td style=\"\">21\/24<\/td>\n                            <td style=\"\">0,875<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_21\">\n                            <td style=\"\">22<\/td>\n                            <td style=\"\">22<\/td>\n                            <td style=\"\">22:00<\/td>\n                            <td style=\"\">22\/24<\/td>\n                            <td style=\"\">0,917<\/td>\n                    <\/tr>\n                <tr id=\"table_19_row_22\">\n                            <td style=\"\">23<\/td>\n                            <td style=\"\">23<\/td>\n                            <td style=\"\">23:00<\/td>\n                            <td style=\"\">23\/24<\/td>\n                            <td style=\"\">0,958<\/td>\n                    <\/tr>\n    <\/tbody>        <!-- \/Table body -->\n\n        <!-- Table footer -->\n        \n        <!-- \/Table footer -->\n    <\/table>\n\n<\/div><style>\ntable.wpDataTable td.numdata { text-align: right !important; }\n<\/style>\n<style>\n<\/style>\n<style>\n                            \n                        \/* rows hover background color *\/\n    .wpdt-c.wpDataTablesWrapper table#wpdtSimpleTable-19 tr.odd:hover > td,\n    .wpdt-c .wpDataTablesWrapper table.wpDataTable.wpDataTableID-19 tr.odd:hover > td,\n    .wpdt-c .wpDataTablesWrapper table.wpDataTable.wpDataTableID-19 tr.odd:hover > td.sorting_1,\n    .wpdt-c .wpDataTablesWrapper table.wpDataTable.wpDataTableID-19 tr.even:hover > td,\n    .wpdt-c.wpDataTablesWrapper table#wpdtSimpleTable-19 tr.even:hover > td,\n    .wpdt-c .wpDataTablesWrapper table.wpDataTable.wpDataTableID-19 tr.even:hover > td.sorting_1 {\n        background-color: #FFFFFF !important;\n    }\n                        \n                <\/style>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-van-unix-tijdstempel-naar-excel-datum\">From Unix Timestamp to Excel Date<\/h2>\n\n\n\n<p>A Unix timestamp is like <a href=\"#h-wat-is-een-unix-tijdstempel\">up here<\/a> describes the number of seconds that have elapsed since January 1, 1970. A full day therefore consists of <img decoding=\"async\" src=\"https:\/\/s0.wp.com\/latex.php?latex=60%2A60%2A24%3D86.400&#038;bg=ffffff&#038;fg=000&#038;s=0&#038;c=20201002\" alt=\"60*60*24=86.400\" class=\"latex\" \/> seconds (60 seconds x 60 minutes x 24 hours). If we divide the Unix timestamp by 86,400, we have the number of days from January 1, 1970. If we add the date value of January 1, 1970 (in Excel this is the number 25,569), we have the Excel date. We can do this using the formula:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>=A2\/86400+DATE(1970;1;1)<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"319\" height=\"161\" src=\"https:\/\/www.bjorn-meijer.nl\/wp-content\/uploads\/2021\/10\/Excel-Unix-tijdstempel-naar-Excel-datum.jpg\" alt=\"Unix Timestamp to Excel Date\" class=\"wp-image-347\" srcset=\"https:\/\/www.bjorn-meijer.nl\/wp-content\/uploads\/2021\/10\/Excel-Unix-tijdstempel-naar-Excel-datum.jpg 319w, https:\/\/www.bjorn-meijer.nl\/wp-content\/uploads\/2021\/10\/Excel-Unix-tijdstempel-naar-Excel-datum-300x151.jpg 300w, https:\/\/www.bjorn-meijer.nl\/wp-content\/uploads\/2021\/10\/Excel-Unix-tijdstempel-naar-Excel-datum-18x9.jpg 18w\" sizes=\"(max-width: 319px) 100vw, 319px\" \/><figcaption>Unix Timestamp to Excel Date<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>What is a Unix Timestamp? A Unix timestamp is the number of seconds that have passed since January 1, 1970 midnight. Here are\u2026 <a class=\"read-more\" href=\"https:\/\/www.bjorn-meijer.nl\/en\/2021\/10\/19\/convert-unix-timestamp-to-excel-date\/\">Continue reading<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[17],"class_list":["post-330","post","type-post","status-publish","format-standard","hentry","category-excel","tag-excel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.11 (Yoast SEO v23.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Converteer Unix-tijdstempel naar Excel-datum - Bj\u00f6rn Meijer<\/title>\n<meta name=\"description\" content=\"Een Unix-tijdstempel is het aantal seconden dat is verstreken sinds 1 januari 1970 middernacht. Hierbij zijn de schrikkelseconden niet meegerekend.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bjorn-meijer.nl\/en\/2021\/10\/19\/convert-unix-timestamp-to-excel-date\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Converteer Unix-tijdstempel naar Excel-datum\" \/>\n<meta property=\"og:description\" content=\"Wat is een Unix-tijdstempel? Een Unix-tijdstempel is het aantal seconden dat is verstreken sinds 1 januari 1970 middernacht. 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