{"id":29062,"date":"2026-10-23T08:34:58","date_gmt":"2026-10-23T08:34:58","guid":{"rendered":"https:\/\/www.worldclock.com\/convertisseur-timestamp-unix\/"},"modified":"2026-10-23T08:34:58","modified_gmt":"2026-10-23T08:34:58","slug":"convertisseur-timestamp-unix","status":"publish","type":"page","link":"https:\/\/www.worldclock.com\/fr\/convertisseur-timestamp-unix\/","title":{"rendered":"Convertisseur de timestamp Unix"},"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\/fr\/\">Horloge mondiale<\/a><\/li><li><a href=\"https:\/\/www.worldclock.com\/fr\/outils\/\">Outils horaires<\/a><\/li><li><span aria-current=\"page\">Convertisseur de timestamp Unix<\/span><\/li><\/ol><\/nav><p class=\"wc-eyebrow\"><span aria-hidden=\"true\">\ud83d\udcbb<\/span> Outil gratuit<\/p><h1 class=\"wc-thero__title\">Convertisseur de timestamp Unix<\/h1><p class=\"wc-thero__lead\">Convertissez le temps Unix (epoch) en date lisible et inversement, dans n\u2019importe quel fuseau horaire. Secondes, millisecondes et microsecondes d\u00e9tect\u00e9es automatiquement.<\/p><\/div><\/header><div class=\"wc-tool\"><div class=\"wc-unix\" data-wc-tool=\"unix\"><div class=\"wc-unix__now\"><p class=\"wc-eyebrow\">Timestamp Unix actuel<\/p><p class=\"wc-unix__epoch\"><span data-epoch>1792875598<\/span> <button type=\"button\" class=\"wc-btn wc-btn--sm\" data-copy=\"epoch\">Copier<\/button><\/p><p class=\"wc-tnote\">Millisecondes : <code data-epochms>1792875598000<\/code><\/p><\/div><div class=\"wc-unix__cols\"><div class=\"wc-unix__box\"><h2>Timestamp \u2192 date<\/h2><label class=\"wc-field\"><span>Timestamp Unix<\/span><input type=\"text\" inputmode=\"numeric\" data-ts value=\"1792875598\"><\/label><label class=\"wc-field\"><span>Afficher dans le fuseau horaire<\/span><select data-tz1><\/select><\/label><dl class=\"wc-unix__out\" data-out1><\/dl><\/div><div class=\"wc-unix__box\"><h2>Date \u2192 timestamp<\/h2><label class=\"wc-field\"><span>Date et heure<\/span><input type=\"datetime-local\" step=\"1\" data-dt><\/label><label class=\"wc-field\"><span>Fuseau horaire de cette date<\/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>Qu\u2019est-ce qu\u2019un timestamp Unix ?<\/h2><p>Un timestamp Unix (aussi appel\u00e9 horodatage Unix, temps epoch ou temps POSIX) est le nombre de secondes \u00e9coul\u00e9es depuis le <strong>1er janvier 1970 \u00e0 00:00:00 UTC<\/strong>, sans compter les secondes intercalaires. Comme il s\u2019agit du m\u00eame nombre partout dans le monde au m\u00eame instant, c\u2019est la fa\u00e7on standard dont les ordinateurs stockent et \u00e9changent les heures \u2013 le fuseau horaire n\u2019est appliqu\u00e9 qu\u2019au moment d\u2019afficher le nombre \u00e0 une personne.<\/p><p>De nombreux syst\u00e8mes utilisent les millisecondes (13 chiffres) au lieu des secondes (10 chiffres). Ce convertisseur d\u00e9tecte automatiquement les secondes, les millisecondes et les microsecondes.<\/p><h2>Le bug de l\u2019an 2038<\/h2><p>Les anciens syst\u00e8mes stockent le timestamp sous forme d\u2019entier sign\u00e9 32 bits, qui d\u00e9borde \u00e0 2 147 483 647 \u2013 soit le 19 janvier 2038 \u00e0 03:14:07 UTC. Les syst\u00e8mes modernes 64 bits ne sont pas concern\u00e9s.<\/p><h2>Obtenir le timestamp actuel dans le code<\/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>Questions fr\u00e9quentes<\/h2><details><summary>Qu\u2019est-ce que le temps epoch ?<\/summary><p>Le temps epoch est le nombre de secondes \u00e9coul\u00e9es depuis l\u2019epoch Unix, le 1er janvier 1970 \u00e0 00:00:00 UTC. C\u2019est la m\u00eame chose qu\u2019un timestamp Unix.<\/p><\/details><details><summary>Un timestamp Unix est-il en UTC ?<\/summary><p>Oui. Un timestamp Unix compte toujours \u00e0 partir de minuit UTC le 1er janvier 1970 : il n\u2019a donc pas de fuseau horaire. Il ne devient une date et une heure locales que lorsque vous le convertissez pour un fuseau horaire pr\u00e9cis.<\/p><\/details><details><summary>Comment savoir si un timestamp est en secondes ou en millisecondes ?<\/summary><p>Les timestamps actuels en secondes comptent 10 chiffres ; en millisecondes, ils en comptent 13 et en microsecondes 16. Le convertisseur le d\u00e9tecte automatiquement.<\/p><\/details><\/section><section class=\"wc-section wc-tools-grid\"><div class=\"wc-section__head\"><h2>Plus d\u2019outils horaires gratuits<\/h2><a href=\"https:\/\/www.worldclock.com\/fr\/outils\/\">Tous les outils \u2192<\/a><\/div><div class=\"wc-toolcards\"><a class=\"wc-toolcard wc-toolcard--converter\" href=\"https:\/\/www.worldclock.com\/fr\/convertisseur-fuseaux-horaires\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd01<\/span><span class=\"wc-toolcard__name\">Convertisseur de fuseaux horaires<\/span><span class=\"wc-toolcard__desc\">Convertir une heure entre n\u2019importe quelles villes.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--difference\" href=\"https:\/\/www.worldclock.com\/fr\/decalage-horaire\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2194\ufe0f<\/span><span class=\"wc-toolcard__name\">Calculateur de d\u00e9calage horaire<\/span><span class=\"wc-toolcard__desc\">Les heures d\u2019\u00e9cart entre deux villes.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--meeting\" href=\"https:\/\/www.worldclock.com\/fr\/planificateur-reunion\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udcc5<\/span><span class=\"wc-toolcard__name\">Planificateur de r\u00e9unions<\/span><span class=\"wc-toolcard__desc\">Trouvez des horaires de r\u00e9union adapt\u00e9s \u00e0 chaque ville.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--map\" href=\"https:\/\/www.worldclock.com\/fr\/carte-des-fuseaux-horaires\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\uddfa\ufe0f<\/span><span class=\"wc-toolcard__name\">Carte des fuseaux horaires<\/span><span class=\"wc-toolcard__desc\">Carte interactive des fuseaux horaires du monde.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--abbr\" href=\"https:\/\/www.worldclock.com\/fr\/abreviations-des-fuseaux-horaires\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd24<\/span><span class=\"wc-toolcard__name\">Abr\u00e9viations des fuseaux horaires<\/span><span class=\"wc-toolcard__desc\">Ce que signifient EST, IST, CET et les autres.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--whereami\" href=\"https:\/\/www.worldclock.com\/fr\/quel-est-mon-fuseau-horaire\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udccd<\/span><span class=\"wc-toolcard__name\">Quel est mon fuseau horaire ?<\/span><span class=\"wc-toolcard__desc\">Votre fuseau horaire, d\u00e9tect\u00e9.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--military\" href=\"https:\/\/www.worldclock.com\/fr\/convertisseur-heure-militaire\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf96\ufe0f<\/span><span class=\"wc-toolcard__name\">Convertisseur d\u2019heure militaire<\/span><span class=\"wc-toolcard__desc\">Heure sur 24 h et heure Zulu en toute simplicit\u00e9.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--flight\" href=\"https:\/\/www.worldclock.com\/fr\/calcul-heure-arrivee-vol\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udeec<\/span><span class=\"wc-toolcard__name\">Calculateur d\u2019heure d\u2019arriv\u00e9e de vol<\/span><span class=\"wc-toolcard__desc\">Heure locale d\u2019arriv\u00e9e de n\u2019importe quel vol.<\/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-29062","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\/fr\/author\/clocker\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/pages\/29062","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/comments?post=29062"}],"version-history":[{"count":0,"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/pages\/29062\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.worldclock.com\/fr\/wp-json\/wp\/v2\/media?parent=29062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}