{"id":51724,"date":"2026-11-01T09:14:55","date_gmt":"2026-11-01T09:14:55","guid":{"rendered":"https:\/\/www.worldclock.com\/unix-idobelyeg-atvalto\/"},"modified":"2026-11-01T09:14:55","modified_gmt":"2026-11-01T09:14:55","slug":"unix-idobelyeg-atvalto","status":"publish","type":"page","link":"https:\/\/www.worldclock.com\/hu\/unix-idobelyeg-atvalto\/","title":{"rendered":"Unix-id\u0151b\u00e9lyeg \u00e1tv\u00e1lt\u00f3"},"content":{"rendered":"<div class=\"wc wc-tool-page wc-tool-page--unix\"><header class=\"wc-thero\"><div class=\"wc-thero__text\"><nav class=\"wc-crumbs\" aria-label=\"Breadcrumb\"><ol><li><a href=\"https:\/\/www.worldclock.com\/hu\/\">Vil\u00e1g\u00f3ra<\/a><\/li><li><a href=\"https:\/\/www.worldclock.com\/hu\/eszkozok\/\">Id\u0151eszk\u00f6z\u00f6k<\/a><\/li><li><span aria-current=\"page\">Unix-id\u0151b\u00e9lyeg \u00e1tv\u00e1lt\u00f3<\/span><\/li><\/ol><\/nav><p class=\"wc-eyebrow\"><span aria-hidden=\"true\">\ud83d\udcbb<\/span> Ingyenes eszk\u00f6z<\/p><h1 class=\"wc-thero__title\">Unix-id\u0151b\u00e9lyeg \u00e1tv\u00e1lt\u00f3<\/h1><p class=\"wc-thero__lead\">V\u00e1ltsa \u00e1t a Unix epoch time-ot olvashat\u00f3 d\u00e1tumm\u00e1 \u00e9s vissza, b\u00e1rmely id\u0151z\u00f3n\u00e1ban. A m\u00e1sodpercet, ezredm\u00e1sodpercet \u00e9s mikrom\u00e1sodpercet automatikusan felismeri.<\/p><\/div><\/header><div class=\"wc-tool\"><div class=\"wc-unix\" data-wc-tool=\"unix\"><div class=\"wc-unix__now\"><p class=\"wc-eyebrow\">Aktu\u00e1lis Unix-id\u0151b\u00e9lyeg<\/p><p class=\"wc-unix__epoch\"><span data-epoch>1793540491<\/span> <button type=\"button\" class=\"wc-btn wc-btn--sm\" data-copy=\"epoch\">M\u00e1sol\u00e1s<\/button><\/p><p class=\"wc-tnote\">Ezredm\u00e1sodperc: <code data-epochms>1793540491000<\/code><\/p><\/div><div class=\"wc-unix__cols\"><div class=\"wc-unix__box\"><h2>Id\u0151b\u00e9lyeg \u2192 d\u00e1tum<\/h2><label class=\"wc-field\"><span>Unix-id\u0151b\u00e9lyeg<\/span><input type=\"text\" inputmode=\"numeric\" data-ts value=\"1793540491\"><\/label><label class=\"wc-field\"><span>Megjelen\u00edt\u00e9s id\u0151z\u00f3n\u00e1ban<\/span><select data-tz1><\/select><\/label><dl class=\"wc-unix__out\" data-out1><\/dl><\/div><div class=\"wc-unix__box\"><h2>D\u00e1tum \u2192 id\u0151b\u00e9lyeg<\/h2><label class=\"wc-field\"><span>D\u00e1tum \u00e9s id\u0151<\/span><input type=\"datetime-local\" step=\"1\" data-dt><\/label><label class=\"wc-field\"><span>A d\u00e1tum id\u0151z\u00f3n\u00e1ja<\/span><select data-tz2><\/select><\/label><dl class=\"wc-unix__out\" data-out2><\/dl><\/div><\/div><div class=\"wc-unix__milestones\" data-milestones><\/div><\/div><\/div><section class=\"wc-section wc-tool-info\"><div class=\"wc-prose\"><h2>Mi az a Unix-id\u0151b\u00e9lyeg?<\/h2><p>A Unix-id\u0151b\u00e9lyeg (m\u00e1s n\u00e9ven epoch time vagy POSIX-id\u0151) az <strong>1970. janu\u00e1r 1. 00:00:00 UTC<\/strong> \u00f3ta eltelt m\u00e1sodpercek sz\u00e1ma, a sz\u00f6k\u0151m\u00e1sodpercek n\u00e9lk\u00fcl. Mivel ugyanabban a pillanatban a vil\u00e1gon mindenhol ugyanaz a sz\u00e1m, ez a sz\u00e1m\u00edt\u00f3g\u00e9pek szabv\u00e1nyos m\u00f3dja az id\u0151 t\u00e1rol\u00e1s\u00e1ra \u00e9s cser\u00e9j\u00e9re \u2013 az id\u0151z\u00f3n\u00e1t csak akkor alkalmazz\u00e1k, amikor a sz\u00e1mot egy embernek jelen\u00edtik meg.<\/p><p>Sok rendszer m\u00e1sodperc (10 sz\u00e1mjegy) helyett ezredm\u00e1sodpercet (13 sz\u00e1mjegy) haszn\u00e1l. Ez az \u00e1tv\u00e1lt\u00f3 automatikusan felismeri a m\u00e1sodpercet, az ezredm\u00e1sodpercet \u00e9s a mikrom\u00e1sodpercet.<\/p><h2>A 2038-as probl\u00e9ma<\/h2><p>A r\u00e9gebbi rendszerek az id\u0151b\u00e9lyeget el\u0151jeles 32 bites sz\u00e1mk\u00e9nt t\u00e1rolj\u00e1k, amely 2 147 483 647-n\u00e9l t\u00falcsordul \u2013 ez 2038. janu\u00e1r 19., 03:14:07 UTC. A modern 64 bites rendszereket ez nem \u00e9rinti.<\/p><h2>Az aktu\u00e1lis id\u0151b\u00e9lyeg lek\u00e9r\u00e9se k\u00f3dban<\/h2><\/div><div class=\"wc-table-wrap\"><table class=\"wc-code\"><tr><th>JavaScript<\/th><td><code>Math.floor(Date.now() \/ 1000)<\/code><\/td><\/tr><tr><th>Python<\/th><td><code>import time; int(time.time())<\/code><\/td><\/tr><tr><th>PHP<\/th><td><code>time()<\/code><\/td><\/tr><tr><th>Java<\/th><td><code>Instant.now().getEpochSecond()<\/code><\/td><\/tr><tr><th>C#<\/th><td><code>DateTimeOffset.UtcNow.ToUnixTimeSeconds()<\/code><\/td><\/tr><tr><th>Go<\/th><td><code>time.Now().Unix()<\/code><\/td><\/tr><tr><th>Ruby<\/th><td><code>Time.now.to_i<\/code><\/td><\/tr><tr><th>Rust<\/th><td><code>SystemTime::now().duration_since(UNIX_EPOCH)?.as_secs()<\/code><\/td><\/tr><tr><th>MySQL<\/th><td><code>SELECT UNIX_TIMESTAMP();<\/code><\/td><\/tr><tr><th>PostgreSQL<\/th><td><code>SELECT extract(epoch FROM now());<\/code><\/td><\/tr><tr><th>Bash<\/th><td><code>date +%s<\/code><\/td><\/tr><\/table><\/div><\/section><section class=\"wc-section wc-faq\"><h2>Gyakori k\u00e9rd\u00e9sek<\/h2><details><summary>Mi az az epoch time?<\/summary><p>Az epoch time a Unix-epoch, azaz 1970. janu\u00e1r 1. 00:00:00 UTC \u00f3ta eltelt m\u00e1sodpercek sz\u00e1ma. Ugyanaz, mint a Unix-id\u0151b\u00e9lyeg.<\/p><\/details><details><summary>UTC-ben van a Unix-id\u0151b\u00e9lyeg?<\/summary><p>Igen. A Unix-id\u0151b\u00e9lyeg mindig 1970. janu\u00e1r 1-je \u00e9jf\u00e9l UTC-t\u0151l sz\u00e1mol, \u00edgy nincs id\u0151z\u00f3n\u00e1ja. Csak akkor v\u00e1lik helyi d\u00e1tumm\u00e1 \u00e9s id\u0151v\u00e9, amikor egy adott id\u0151z\u00f3n\u00e1ra \u00e1tsz\u00e1m\u00edtja.<\/p><\/details><details><summary>Honnan tudhatom, hogy egy id\u0151b\u00e9lyeg m\u00e1sodpercben vagy ezredm\u00e1sodpercben van?<\/summary><p>Az aktu\u00e1lis id\u0151b\u00e9lyeg m\u00e1sodpercben 10 sz\u00e1mjegy\u0171, ezredm\u00e1sodpercben 13, mikrom\u00e1sodpercben pedig 16 sz\u00e1mjegy\u0171. Az \u00e1tv\u00e1lt\u00f3 ezt automatikusan felismeri.<\/p><\/details><\/section><section class=\"wc-section wc-tools-grid\"><div class=\"wc-section__head\"><h2>Tov\u00e1bbi ingyenes id\u0151eszk\u00f6z\u00f6k<\/h2><a href=\"https:\/\/www.worldclock.com\/hu\/eszkozok\/\">\u00d6sszes eszk\u00f6z \u2192<\/a><\/div><div class=\"wc-toolcards\"><a class=\"wc-toolcard wc-toolcard--converter\" href=\"https:\/\/www.worldclock.com\/hu\/idozona-atvalto\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd01<\/span><span class=\"wc-toolcard__name\">Id\u0151z\u00f3na-\u00e1tv\u00e1lt\u00f3<\/span><span class=\"wc-toolcard__desc\">Id\u0151pont \u00e1tv\u00e1lt\u00e1sa b\u00e1rmely v\u00e1rosok k\u00f6z\u00f6tt.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--difference\" href=\"https:\/\/www.worldclock.com\/hu\/idoeltolodas\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2194\ufe0f<\/span><span class=\"wc-toolcard__name\">Id\u0151eltol\u00f3d\u00e1s-kalkul\u00e1tor<\/span><span class=\"wc-toolcard__desc\">\u00d3rak\u00fcl\u00f6nbs\u00e9g b\u00e1rmely k\u00e9t v\u00e1ros k\u00f6z\u00f6tt.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--meeting\" href=\"https:\/\/www.worldclock.com\/hu\/megbeszeles-tervezo\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udcc5<\/span><span class=\"wc-toolcard__name\">Megbesz\u00e9l\u00e9s-tervez\u0151<\/span><span class=\"wc-toolcard__desc\">Mindenkinek megfelel\u0151 megbesz\u00e9l\u00e9si id\u0151pontok.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--map\" href=\"https:\/\/www.worldclock.com\/hu\/idozona-terkep\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\uddfa\ufe0f<\/span><span class=\"wc-toolcard__name\">Id\u0151z\u00f3na-t\u00e9rk\u00e9p<\/span><span class=\"wc-toolcard__desc\">A vil\u00e1g id\u0151z\u00f3n\u00e1inak interakt\u00edv t\u00e9rk\u00e9pe.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--whereami\" href=\"https:\/\/www.worldclock.com\/hu\/melyik-idozonaban-vagyok\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udccd<\/span><span class=\"wc-toolcard__name\">Melyik id\u0151z\u00f3n\u00e1ban vagyok?<\/span><span class=\"wc-toolcard__desc\">Az \u00d6n id\u0151z\u00f3n\u00e1ja, felismerve.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--military\" href=\"https:\/\/www.worldclock.com\/hu\/katonai-ido-atvalto\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf96\ufe0f<\/span><span class=\"wc-toolcard__name\">Katonai id\u0151 \u00e1tv\u00e1lt\u00f3<\/span><span class=\"wc-toolcard__desc\">24 \u00f3r\u00e1s \u00e9s Zulu-id\u0151 egyszer\u0171en.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--flight\" href=\"https:\/\/www.worldclock.com\/hu\/repulesi-ido-kalkulator\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udeec<\/span><span class=\"wc-toolcard__name\">\u00c9rkez\u00e9si id\u0151 kalkul\u00e1tor<\/span><span class=\"wc-toolcard__desc\">Helyi \u00e9rkez\u00e9si id\u0151 b\u00e1rmely j\u00e1rathoz.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--moon\" href=\"https:\/\/www.worldclock.com\/hu\/holdfazis\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf15<\/span><span class=\"wc-toolcard__name\">Mai holdf\u00e1zis<\/span><span class=\"wc-toolcard__desc\">A ma esti Hold \u00e9s holdnapt\u00e1r.<\/span><\/a><\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_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":"","bs_cache_bypass_cache":0,"bs_cache_related_page":0},"class_list":["post-51724","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"clocker","author_link":"https:\/\/www.worldclock.com\/hu\/author\/clocker\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/pages\/51724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/comments?post=51724"}],"version-history":[{"count":0,"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/pages\/51724\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.worldclock.com\/hu\/wp-json\/wp\/v2\/media?parent=51724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}