{"id":65721,"date":"2026-10-14T10:20:04","date_gmt":"2026-10-14T04:50:04","guid":{"rendered":"https:\/\/www.quickonlinetips.com\/archives\/?page_id=65721"},"modified":"2026-10-14T14:31:49","modified_gmt":"2026-10-14T09:01:49","slug":"unix-timestamp-converter","status":"publish","type":"page","link":"https:\/\/www.quickonlinetips.com\/archives\/tools\/unix-timestamp-converter\/","title":{"rendered":"Unix Timestamp Converter: Epoch to Date and Back"},"content":{"rendered":"<p>This <strong>Unix timestamp converter<\/strong> turns epoch time into a readable date and a date back into a Unix timestamp. 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.qt-cell:disabled{cursor:default} .qt-tool .qt-win{background:#C6F6D5;border-color:#38A169} .qt-tool .qt-sel{background:#BEE3F8;border-color:#3182CE} .qt-tool .qt-bad{background:#FED7D7;border-color:#E53E3E} .qt-tool select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:40px;cursor:pointer;border:2px solid #90B4DA;font-weight:600;background-color:#fff;background-image:url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 14 9'%3E%3Cpath d='M1.5 1.5l5.5 5.5 5.5-5.5' fill='none' stroke='%232B6CB0' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'\/%3E%3C\/svg%3E\");background-repeat:no-repeat;background-position:right 14px center;background-size:14px 9px} .qt-tool select:hover{border-color:var(--qt-accent);background-color:#F4F8FD} .qt-tool select::-ms-expand{display:none} .qt-next{margin:0 0 1.75em} .qt-next .qt-next-h{font-size:14px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#4A5568;margin:0 0 8px} .qt-next-g{display:grid;grid-template-columns:repeat(3,1fr);gap:8px} .qt-next-g a{display:flex;align-items:center;min-height:46px;padding:9px 12px;border:1px solid #AEC3DB;border-radius:8px;background:#F4F8FD;color:#215387;font-weight:600;font-size:15px;line-height:1.3;text-decoration:none} .qt-next-g a:hover,.qt-next-g a:focus{background:#E3EEFF;border-color:#2B6CB0;text-decoration:none} @media (max-width:600px){.qt-next-g{grid-template-columns:repeat(2,1fr)}}<\/style>\n<div class=\"qt-tool\" id=\"qt-ut\">\n<p class=\"qt-lab\" style=\"text-align:center;margin:0\">Current Unix timestamp<\/p>\n<div class=\"qt-clock\" id=\"qt-ut-now\" style=\"margin-top:4px\">0<\/div>\n<div class=\"qt-row\" style=\"justify-content:center\"><button type=\"button\" class=\"qt-btn qt-btn-ghost qt-btn-sm\" id=\"qt-ut-copynow\">Copy<\/button><button type=\"button\" class=\"qt-btn qt-btn-ghost qt-btn-sm\" id=\"qt-ut-usenow\">Convert this<\/button><\/div>\n<p class=\"qt-sub\">Timestamp to date<\/p>\n<p><input type=\"text\" id=\"qt-ut-ts\" inputmode=\"numeric\" spellcheck=\"false\" value=\"1700000000\" aria-label=\"Unix timestamp\"><\/p>\n<div class=\"qt-stats\" id=\"qt-ut-res\">\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-local\" style=\"font-size:16px\">&#8211;<\/span><span class=\"qt-lab\">Your time zone<\/span><\/div>\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-utc\" style=\"font-size:16px\">&#8211;<\/span><span class=\"qt-lab\">UTC<\/span><\/div>\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-iso\" style=\"font-size:14px;word-break:break-all\">&#8211;<\/span><span class=\"qt-lab\">ISO 8601<\/span><\/div>\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-rel\" style=\"font-size:16px\">&#8211;<\/span><span class=\"qt-lab\" id=\"qt-ut-unit\">Relative<\/span><\/div>\n<\/div>\n<p class=\"qt-sub\">Date to timestamp<\/p>\n<div class=\"qt-grid\">\n<div class=\"qt-field\"><label for=\"qt-ut-date\">Date and time<\/label><input type=\"datetime-local\" id=\"qt-ut-date\" step=\"1\"><\/div>\n<div class=\"qt-field\"><label for=\"qt-ut-zone\">Interpret as<\/label><select id=\"qt-ut-zone\"><option value=\"local\" selected>My time zone<\/option><option value=\"utc\">UTC<\/option><\/select><\/div>\n<\/div>\n<div class=\"qt-stats\">\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-s\">&#8211;<\/span><span class=\"qt-lab\">Seconds<\/span><\/div>\n<div class=\"qt-stat\"><span class=\"qt-num\" id=\"qt-ut-ms\">&#8211;<\/span><span class=\"qt-lab\">Milliseconds<\/span><\/div>\n<\/div>\n<div class=\"qt-status\" id=\"qt-ut-status\" aria-live=\"polite\"><\/div>\n<p class=\"qt-note\">Everything runs in your browser. Nothing you enter is sent to or stored on our server.<\/p>\n<\/div>\n<p><script>(function () { function qtReady(fn) { if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', fn); } else { fn(); } } function qtCopy(text, statusEl, okMsg) { function done(ok) { if (statusEl) { statusEl.textContent = ok ? (okMsg || 'Copied to clipboard.') : 'Press Ctrl+C (or Cmd+C) to copy.'; } } function fallback() { var ta = document.createElement('textarea'); ta.value = text; ta.setAttribute('readonly', ''); ta.style.position = 'fixed'; ta.style.top = '-1000px'; document.body.appendChild(ta); ta.select(); var ok = false; try { ok = document.execCommand('copy'); } catch (e) { ok = false; } document.body.removeChild(ta); done(ok); } if (navigator.clipboard) { if (window.isSecureContext) { navigator.clipboard.writeText(text).then(function () { done(true); }, fallback); return; } } fallback(); } function qtRand32() { var c = window.crypto || window.msCrypto; if (c) { if (c.getRandomValues) { var a = new Uint32Array(1); c.getRandomValues(a); return a[0]; } } return Math.floor(Math.random() * 4294967296); } function qtRandInt(range) { if (range === 4294967296) { return qtRand32(); } var limit = Math.floor(4294967296 \/ range) * range; var x = qtRand32(); while (x >= limit) { x = qtRand32(); } return x % range; } qtReady(function () { var nowEl = document.getElementById('qt-ut-now'); if (!nowEl) { return; } function $(id) { return document.getElementById(id); } function pad(n) { return (n + 100).toString().slice(1); } function rel(ms) { var d = (ms - Date.now()) \/ 1000, a = Math.abs(d), u = [['year', 31536000], ['month', 2592000], ['day', 86400], ['hour', 3600], ['minute', 60], ['second', 1]]; for (var i = 0; u.length > i; i++) { if (a >= u[i][1] || i === 5) { var n = Math.round(a \/ u[i][1]); return (d > 0 ? 'in ' : '') + n + ' ' + u[i][0] + (n === 1 ? '' : 's') + (d > 0 ? '' : ' ago'); } } return ''; } function tick() { nowEl.textContent = Math.floor(Date.now() \/ 1000); } function fromTs() { var v = $('qt-ut-ts').value.trim().replace(\/[, _]\/g, ''); if (!\/^-?\\d+(\\.\\d+)?$\/.test(v)) { ['local', 'utc', 'iso', 'rel'].forEach(function (k) { $('qt-ut-' + k).textContent = '-'; }); if (v) { $('qt-ut-status').textContent = 'Enter digits only, such as 1700000000.'; } return; } var n = parseFloat(v), unit = 'seconds'; if (Math.abs(n) >= 1e17) { n = n \/ 1e6; unit = 'nanoseconds'; } else if (Math.abs(n) >= 1e14) { n = n \/ 1e3; unit = 'microseconds'; } else if (Math.abs(n) >= 1e11) { unit = 'milliseconds'; } else { n = n * 1000; } var d = new Date(n); if (isNaN(d.getTime())) { $('qt-ut-status').textContent = 'That timestamp is out of range.'; return; } $('qt-ut-status').textContent = 'Read as ' + unit + '.'; $('qt-ut-local').textContent = d.toLocaleString(undefined, { dateStyle: 'medium', timeStyle: 'medium' }); $('qt-ut-utc').textContent = d.toLocaleString(undefined, { dateStyle: 'medium', timeStyle: 'medium', timeZone: 'UTC' }); $('qt-ut-iso').textContent = d.toISOString(); $('qt-ut-rel').textContent = rel(n); } function toTs() { var v = $('qt-ut-date').value; if (!v) { return; } var m = \/^(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2})(?::(\\d{2}))?\/.exec(v); if (!m) { return; } var p = [+m[1], +m[2] - 1, +m[3], +m[4], +m[5], +(m[6] || 0)]; var ms = $('qt-ut-zone').value === 'utc' ? Date.UTC(p[0], p[1], p[2], p[3], p[4], p[5]) : new Date(p[0], p[1], p[2], p[3], p[4], p[5]).getTime(); $('qt-ut-s').textContent = Math.floor(ms \/ 1000); $('qt-ut-ms').textContent = ms; } var d0 = new Date(); $('qt-ut-date').value = d0.getFullYear() + '-' + pad(d0.getMonth() + 1) + '-' + pad(d0.getDate()) + 'T' + pad(d0.getHours()) + ':' + pad(d0.getMinutes()) + ':' + pad(d0.getSeconds()); $('qt-ut-ts').addEventListener('input', fromTs); $('qt-ut-date').addEventListener('input', toTs); $('qt-ut-date').addEventListener('change', toTs); $('qt-ut-zone').addEventListener('change', toTs); $('qt-ut-copynow').addEventListener('click', function () { qtCopy(nowEl.textContent, $('qt-ut-status'), 'Timestamp copied.'); }); $('qt-ut-usenow').addEventListener('click', function () { $('qt-ut-ts').value = nowEl.textContent; fromTs(); }); tick(); setInterval(tick, 1000); fromTs(); toTs(); }); })();<\/script><\/p>\n<div class=\"qt-next\">\n<p class=\"qt-next-h\">Try another free tool<\/p>\n<div class=\"qt-next-g\"><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/uuid-generator\/\">UUID Generator<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/base64-encode-decode\/\">Base64 Encode and Decode<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/json-formatter\/\">JSON Formatter<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/url-encode-decode\/\">URL Encode and Decode<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/password-generator\/\">Password Generator<\/a><a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/html-entities\/\">HTML Encode and Decode<\/a><\/div>\n<\/div>\n<p><strong>Quick answer:<\/strong> Paste a timestamp such as <code>1700000000<\/code> into <strong>Timestamp to date<\/strong> to see the date (14 November 2023, 22:13:20 UTC). To go the other way, pick a date and time below and read the seconds or milliseconds.<\/p>\n<h2>What is a Unix timestamp?<\/h2>\n<p>Unix time, also called epoch time or POSIX time, counts the seconds since 00:00:00 UTC on 1 January 1970, ignoring leap seconds. It is a single number with no time zone, which makes it ideal for storing and comparing times in databases, logs, APIs and programming languages. The same instant has the same timestamp everywhere in the world; only the displayed local time differs.<\/p>\n<h2>Seconds, milliseconds or microseconds?<\/h2>\n<p>Most systems use seconds (10 digits today). JavaScript, Java and many APIs use milliseconds (13 digits). Some databases and tracing tools use microseconds (16 digits) or nanoseconds (19 digits). The converter detects the unit from the number of digits and tells you which one it used.<\/p>\n<h2>How to use the Unix timestamp converter<\/h2>\n<ol>\n<li>The big number at the top is the current Unix time, updating every second. Click <strong>Convert this<\/strong> to see it as a date.<\/li>\n<li>Paste any timestamp into <strong>Timestamp to date<\/strong>. Commas and spaces are ignored.<\/li>\n<li>To convert a date, pick it in <strong>Date and time<\/strong> and choose whether it is in your time zone or UTC.<\/li>\n<\/ol>\n<h2>Important epoch dates<\/h2>\n<table class=\"qt-ref\">\n<thead>\n<tr>\n<th>Timestamp<\/th>\n<th>Date (UTC)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0<\/td>\n<td>1 January 1970, 00:00:00 (the Unix epoch)<\/td>\n<\/tr>\n<tr>\n<td>1000000000<\/td>\n<td>9 September 2001, 01:46:40<\/td>\n<\/tr>\n<tr>\n<td>1700000000<\/td>\n<td>14 November 2023, 22:13:20<\/td>\n<\/tr>\n<tr>\n<td>2000000000<\/td>\n<td>18 May 2033, 03:33:20<\/td>\n<\/tr>\n<tr>\n<td>2147483647<\/td>\n<td>19 January 2038, 03:14:07 (the 32-bit limit)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>The year 2038 problem<\/h2>\n<p>Systems that store Unix time as a signed 32-bit number run out of room at 03:14:07 UTC on 19 January 2038, when the count wraps around to a date in 1901. Modern operating systems and languages use 64-bit time, which lasts for billions of years, but old embedded devices and file formats may still be affected.<\/p>\n<h2>Get the current timestamp in code<\/h2>\n<ul>\n<li><strong>JavaScript:<\/strong> <code>Math.floor(Date.now() \/ 1000)<\/code><\/li>\n<li><strong>Python:<\/strong> <code>int(time.time())<\/code><\/li>\n<li><strong>Linux and macOS:<\/strong> <code>date +%s<\/code><\/li>\n<li><strong>Excel:<\/strong> convert a timestamp in A1 with <code>=A1\/86400+DATE(1970,1,1)<\/code><\/li>\n<\/ul>\n<p>To count days between two dates, use our <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/days-between-dates\/\">days between dates calculator<\/a>.<\/p>\n<h2>FAQ<\/h2>\n<h3>Does Unix time include time zones?<\/h3>\n<p>No. It is always based on UTC. Time zones only matter when you display it.<\/p>\n<h3>Can a timestamp be negative?<\/h3>\n<p>Yes. Negative values are dates before 1970.<\/p>\n<h2>More free tools<\/h2>\n<div class=\"qt-cards\"><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/uuid-generator\/\"><strong>UUID Generator<\/strong><span>Generate random v4 UUIDs and GUIDs in bulk.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/base64-encode-decode\/\"><strong>Base64 Encode and Decode<\/strong><span>Encode text to Base64 and decode it back, UTF-8 safe.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/json-formatter\/\"><strong>JSON Formatter<\/strong><span>Beautify, minify and validate JSON with error lines.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/url-encode-decode\/\"><strong>URL Encode and Decode<\/strong><span>Percent-encode or decode URLs and see query parameters.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/password-generator\/\"><strong>Password Generator<\/strong><span>Strong random passwords and passphrases with a strength meter.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/html-entities\/\"><strong>HTML Encode and Decode<\/strong><span>Convert special characters to HTML entities and back.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/hash-generator\/\"><strong>Hash Generator<\/strong><span>MD5, SHA-1 and SHA-256 hashes of any text.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/regex-tester\/\"><strong>Regex Tester<\/strong><span>Test regular expressions with live highlighting.<\/span><\/a><a class=\"qt-card\" href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/css-minifier\/\"><strong>CSS Minifier<\/strong><span>Minify or beautify CSS and see the savings.<\/span><\/a><\/div>\n<p>See all of them on the <a href=\"https:\/\/www.quickonlinetips.com\/archives\/tools\/\">QuickOnlineTips free online tools<\/a> page and play our <a href=\"https:\/\/www.quickonlinetips.com\/archives\/games\/\">free online games<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This Unix timestamp converter turns epoch time into a readable date and a date back into a Unix timestamp. It detects seconds or milliseconds automatically, shows the result in your local time zone, UTC and ISO 8601, and displays the current timestamp ticking live. Current Unix timestamp 0 CopyConvert this Timestamp to date &#8211;Your time&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":65595,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-65721","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/comments?post=65721"}],"version-history":[{"count":3,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65721\/revisions"}],"predecessor-version":[{"id":66485,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65721\/revisions\/66485"}],"up":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/pages\/65595"}],"wp:attachment":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media?parent=65721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}