{"id":67383,"date":"2026-11-08T11:47:20","date_gmt":"2026-11-08T11:47:20","guid":{"rendered":"https:\/\/www.worldclock.com\/unix-laiko-zymos-keitiklis\/"},"modified":"2026-11-08T11:47:20","modified_gmt":"2026-11-08T11:47:20","slug":"unix-laiko-zymos-keitiklis","status":"publish","type":"page","link":"https:\/\/www.worldclock.com\/lt\/unix-laiko-zymos-keitiklis\/","title":{"rendered":"Unix laiko \u017eymos keitiklis"},"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\/lt\/\">Pasaulio laikrodis<\/a><\/li><li><a href=\"https:\/\/www.worldclock.com\/lt\/irankiai\/\">Laiko \u012frankiai<\/a><\/li><li><span aria-current=\"page\">Unix laiko \u017eymos keitiklis<\/span><\/li><\/ol><\/nav><p class=\"wc-eyebrow\"><span aria-hidden=\"true\">\ud83d\udcbb<\/span> Nemokamas \u012frankis<\/p><h1 class=\"wc-thero__title\">Unix laiko \u017eymos keitiklis<\/h1><p class=\"wc-thero__lead\">Perskai\u010diuokite Unix epochos laik\u0105 \u012f \u012fprast\u0105 dat\u0105 ir atgal bet kurioje laiko juostoje. Sekund\u0117s, milisekund\u0117s ir mikrosekund\u0117s atpa\u017e\u012fstamos automati\u0161kai.<\/p><\/div><\/header><div class=\"wc-tool\"><div class=\"wc-unix\" data-wc-tool=\"unix\"><div class=\"wc-unix__now\"><p class=\"wc-eyebrow\">Dabartin\u0117 Unix laiko \u017eyma<\/p><p class=\"wc-unix__epoch\"><span data-epoch>1794154090<\/span> <button type=\"button\" class=\"wc-btn wc-btn--sm\" data-copy=\"epoch\">Kopijuoti<\/button><\/p><p class=\"wc-tnote\">Milisekund\u0117s: <code data-epochms>1794154090000<\/code><\/p><\/div><div class=\"wc-unix__cols\"><div class=\"wc-unix__box\"><h2>Laiko \u017eyma \u2192 data<\/h2><label class=\"wc-field\"><span>Unix laiko \u017eyma<\/span><input type=\"text\" inputmode=\"numeric\" data-ts value=\"1794154090\"><\/label><label class=\"wc-field\"><span>Rodyti laiko juostoje<\/span><select data-tz1><\/select><\/label><dl class=\"wc-unix__out\" data-out1><\/dl><\/div><div class=\"wc-unix__box\"><h2>Data \u2192 laiko \u017eyma<\/h2><label class=\"wc-field\"><span>Data ir laikas<\/span><input type=\"datetime-local\" step=\"1\" data-dt><\/label><label class=\"wc-field\"><span>\u0160ios datos laiko juosta<\/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>Kas yra Unix laiko \u017eyma?<\/h2><p>Unix laiko \u017eyma (dar vadinama epochos laiku arba POSIX laiku) \u2013 tai sekund\u017ei\u0173 skai\u010dius, pra\u0117j\u0119s nuo <strong>1970 m. sausio 1 d. 00:00:00 UTC<\/strong>, neskai\u010diuojant keliam\u0173j\u0173 sekund\u017ei\u0173. Kadangi tuo pa\u010diu momentu visame pasaulyje tai tas pats skai\u010dius, kompiuteriai taip standarti\u0161kai saugo ir kei\u010diasi laiku \u2013 laiko juosta pritaikoma tik tada, kai skai\u010dius rodomas \u017emogui.<\/p><p>Daug sistem\u0173 vietoje sekund\u017ei\u0173 (10 skaitmen\u0173) naudoja milisekundes (13 skaitmen\u0173). \u0160is keitiklis automati\u0161kai atpa\u017e\u012fsta sekundes, milisekundes ir mikrosekundes.<\/p><h2>2038 met\u0173 problema<\/h2><p>Senesn\u0117s sistemos laiko \u017eym\u0105 saugo kaip 32 bit\u0173 sveik\u0105j\u012f skai\u010di\u0173 su \u017eenklu, kuris persipildo ties 2 147 483 647 \u2013 2038 m. sausio 19 d. 03:14:07 UTC. \u0160iuolaikin\u0117s 64 bit\u0173 sistemos \u0161ios problemos neturi.<\/p><h2>Kaip gauti dabartin\u0119 laiko \u017eym\u0105 kode<\/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>Da\u017eniausiai u\u017eduodami klausimai<\/h2><details><summary>Kas yra epochos laikas?<\/summary><p>Epochos laikas \u2013 tai sekund\u017ei\u0173 skai\u010dius nuo Unix epochos prad\u017eios, 1970 m. sausio 1 d. 00:00:00 UTC. Tai tas pats, kas Unix laiko \u017eyma.<\/p><\/details><details><summary>Ar Unix laiko \u017eyma yra UTC?<\/summary><p>Taip. Unix laiko \u017eyma visada skai\u010diuojama nuo 1970 m. sausio 1 d. vidurnak\u010dio UTC, tod\u0117l ji neturi laiko juostos. Vietos data ir laikas ji tampa tik tada, kai j\u0105 perskai\u010diuojate konkre\u010diai laiko juostai.<\/p><\/details><details><summary>Kaip su\u017einoti, ar laiko \u017eyma yra sekund\u0117mis, ar milisekund\u0117mis?<\/summary><p>Dabartin\u0117s laiko \u017eymos sekund\u0117mis turi 10 skaitmen\u0173, milisekund\u0117mis \u2013 13, o mikrosekund\u0117mis \u2013 16. Keitiklis tai atpa\u017e\u012fsta automati\u0161kai.<\/p><\/details><\/section><section class=\"wc-section wc-tools-grid\"><div class=\"wc-section__head\"><h2>Daugiau nemokam\u0173 laiko \u012franki\u0173<\/h2><a href=\"https:\/\/www.worldclock.com\/lt\/irankiai\/\">Visi \u012frankiai \u2192<\/a><\/div><div class=\"wc-toolcards\"><a class=\"wc-toolcard wc-toolcard--converter\" href=\"https:\/\/www.worldclock.com\/lt\/laiko-juostu-keitiklis\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd01<\/span><span class=\"wc-toolcard__name\">Laiko juost\u0173 keitiklis<\/span><span class=\"wc-toolcard__desc\">Perskai\u010diuokite laik\u0105 tarp bet kuri\u0173 miest\u0173.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--difference\" href=\"https:\/\/www.worldclock.com\/lt\/laiko-skirtumas\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2194\ufe0f<\/span><span class=\"wc-toolcard__name\">Laiko skirtumo skai\u010diuokl\u0117<\/span><span class=\"wc-toolcard__desc\">Valand\u0173 skirtumas tarp bet kuri\u0173 dviej\u0173 miest\u0173.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--meeting\" href=\"https:\/\/www.worldclock.com\/lt\/susitikimu-planuokle\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udcc5<\/span><span class=\"wc-toolcard__name\">Susitikim\u0173 planuokl\u0117<\/span><span class=\"wc-toolcard__desc\">Raskite susitikimo laik\u0105, tinkant\u012f visiems miestams.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--map\" href=\"https:\/\/www.worldclock.com\/lt\/laiko-juostu-zemelapis\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\uddfa\ufe0f<\/span><span class=\"wc-toolcard__name\">Laiko juost\u0173 \u017eem\u0117lapis<\/span><span class=\"wc-toolcard__desc\">Interaktyvus pasaulio laiko juost\u0173 \u017eem\u0117lapis.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--whereami\" href=\"https:\/\/www.worldclock.com\/lt\/kokioje-laiko-juostoje-esu\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udccd<\/span><span class=\"wc-toolcard__name\">Kokioje laiko juostoje esu?<\/span><span class=\"wc-toolcard__desc\">J\u016bs\u0173 laiko juosta \u2013 nustatyta.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--military\" href=\"https:\/\/www.worldclock.com\/lt\/karinio-laiko-keitiklis\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf96\ufe0f<\/span><span class=\"wc-toolcard__name\">Karinio laiko keitiklis<\/span><span class=\"wc-toolcard__desc\">24 valand\u0173 ir Zulu laikas paprastai.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--flight\" href=\"https:\/\/www.worldclock.com\/lt\/skrydzio-laiko-skaiciuokle\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udeec<\/span><span class=\"wc-toolcard__name\">Skryd\u017eio atvykimo laiko skai\u010diuokl\u0117<\/span><span class=\"wc-toolcard__desc\">Vietos atvykimo laikas bet kuriam skryd\u017eiui.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--moon\" href=\"https:\/\/www.worldclock.com\/lt\/menulio-faze\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf15<\/span><span class=\"wc-toolcard__name\">M\u0117nulio faz\u0117 \u0161iandien<\/span><span class=\"wc-toolcard__desc\">\u0160ios nakties m\u0117nulis ir m\u0117nulio kalendorius.<\/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-67383","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\/lt\/author\/clocker\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/pages\/67383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/comments?post=67383"}],"version-history":[{"count":0,"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/pages\/67383\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.worldclock.com\/lt\/wp-json\/wp\/v2\/media?parent=67383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}