{"id":6145,"date":"2024-03-14T03:54:37","date_gmt":"2024-03-14T03:54:37","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-timestamp-to-a-string-in-c\/"},"modified":"2025-08-01T23:58:30","modified_gmt":"2025-08-01T23:58:30","slug":"how-to-convert-a-timestamp-to-a-string-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-timestamp-to-a-string-in-c\/","title":{"rendered":"C++ Convert Timestamp to String: Quick Guide"},"content":{"rendered":"<p>You can convert a timestamp to a string using the strftime() function. Here is a simple example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;ctime&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-type\">time_t<\/span> timestamp = <span class=\"hljs-built_in\">time<\/span>(<span class=\"hljs-literal\">nullptr<\/span>);\r\n    <span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title class_\">tm<\/span> * timeinfo = <span class=\"hljs-built_in\">localtime<\/span>(&amp;timestamp);\r\n    \r\n    <span class=\"hljs-type\">char<\/span> buffer[<span class=\"hljs-number\">80<\/span>];\r\n    <span class=\"hljs-built_in\">strftime<\/span>(buffer, <span class=\"hljs-number\">80<\/span>, <span class=\"hljs-string\">\"%Y-%m-%d %H:%M:%S\"<\/span>, timeinfo);\r\n    \r\n    std::cout &lt;&lt; <span class=\"hljs-string\">\"\u5f53\u524d\u65f6\u95f4\u4e3a\uff1a\"<\/span> &lt;&lt; buffer &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 first get the current timestamp and convert it to a tm structure using the localtime() function. We then use the strftime() function to format the tm structure into the specified string format and store the result in a buffer. Finally, we output the converted time string.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You can convert a timestamp to a string using the strftime() function. Here is a simple example code: #include &lt;iostream&gt; #include &lt;ctime&gt; int main() { time_t timestamp = time(nullptr); struct tm * timeinfo = localtime(&amp;timestamp); char buffer[80]; strftime(buffer, 80, &#8220;%Y-%m-%d %H:%M:%S&#8221;, timeinfo); std::cout &lt;&lt; &#8220;\u5f53\u524d\u65f6\u95f4\u4e3a\uff1a&#8221; &lt;&lt; buffer &lt;&lt; std::endl; return 0; } In this example, [&hellip;]<\/p>\n","protected":false},"author":9,"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":[7229,7228,7230,7226,7227],"class_list":["post-6145","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-datetime-formatting","tag-c-time-conversion","tag-c-time-programming","tag-c-timestamp-to-string","tag-strftime-tutorial"],"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>C++ Convert Timestamp to String: Quick Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn to convert timestamps to strings in C++ using strftime with clear examples. 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