{"id":6138,"date":"2024-03-14T03:54:10","date_gmt":"2024-03-14T03:54:10","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-generating-a-timestamp-in-c\/"},"modified":"2025-08-01T23:53:06","modified_gmt":"2025-08-01T23:53:06","slug":"what-is-the-method-for-generating-a-timestamp-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-generating-a-timestamp-in-c\/","title":{"rendered":"How to Generate Timestamps in C++"},"content":{"rendered":"<p>One way to generate a timestamp in C++ is to use the std::chrono library. Here is an example code that can get the current timestamp:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;chrono&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;iostream&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u70b9<\/span>\r\n    <span class=\"hljs-keyword\">auto<\/span> now = std::chrono::system_clock::<span class=\"hljs-built_in\">now<\/span>();\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5c06\u65f6\u95f4\u70b9\u8f6c\u6362\u4e3a\u65f6\u95f4\u6233<\/span>\r\n    <span class=\"hljs-keyword\">auto<\/span> timestamp = std::chrono::<span class=\"hljs-built_in\">duration_cast<\/span>&lt;std::chrono::seconds&gt;(now.<span class=\"hljs-built_in\">time_since_epoch<\/span>()).<span class=\"hljs-built_in\">count<\/span>();\r\n\r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"\u5f53\u524d\u65f6\u95f4\u6233\uff1a\"<\/span> &lt;&lt; timestamp &lt;&lt; std::endl;\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>In this example, we use std::chrono::system_clock::now() to get the current time point, then use std::chrono::duration_cast<std::chrono::seconds> to convert the time point to seconds, and finally obtain the integer value of the timestamp using the count() method.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>One way to generate a timestamp in C++ is to use the std::chrono library. Here is an example code that can get the current timestamp: #include &lt;chrono&gt; #include &lt;iostream&gt; int main() { \/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u70b9 auto now = std::chrono::system_clock::now(); \/\/ \u5c06\u65f6\u95f4\u70b9\u8f6c\u6362\u4e3a\u65f6\u95f4\u6233 auto timestamp = std::chrono::duration_cast&lt;std::chrono::seconds&gt;(now.time_since_epoch()).count(); std::cout &lt;&lt; &#8220;\u5f53\u524d\u65f6\u95f4\u6233\uff1a&#8221; &lt;&lt; timestamp &lt;&lt; std::endl; return 0; } In [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[3956,381,7212,3426,7211],"class_list":["post-6138","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-datetime","tag-c-programming","tag-c-time-functions","tag-c-timestamp","tag-stdchrono"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Generate Timestamps in C++ - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to generate timestamps in C++ using std::chrono library. 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