1.0Cortina Watch Malaysiahttps://www.cortinawatch.com/my/zh/infomyhttps://www.cortinawatch.com/my/zh/author/infomy/GMTrich600338<blockquote class="wp-embedded-content" data-secret="oPRwvPef7s"><a href="https://www.cortinawatch.com/my/zh/news/gmt/">GMT</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.cortinawatch.com/my/zh/news/gmt/embed/#?secret=oPRwvPef7s" width="600" height="338" title="《 GMT 》—Cortina Watch Malaysia" data-secret="oPRwvPef7s" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
</script>
https://www.cortinawatch.com/my/wp-content/uploads/sites/2/2025/07/Chopard_L.U.C-GMT-One-Black_Cortina-Watch.webp1200800GMT is the acronym for Greenwich Mean Time, the mean solar time at the Royal Observatory located in Greenwich, London. GMT was the international time standard till it was replaced by UTC in 1972.