added time servers

configuration.nix

@@ -85,6 +85,48 @@
   #  Enable sudo-rs for better security (memory safe, written in Rust).
   security.sudo-rs.enable = true;
 
+  # Localization & Time Zones
+services.timesyncd = {
+    enable = true;
+
+    #  NTP servers from around the world
+    servers = [
+        # Canada - Canadian government (CDN NTP Project)
+        "ntp1.ca"
+        "ntp2.ca"
+        "ntp3.ca"
+
+        # Iceland - RHnet (Icelandic University Research Network)
+        "ntp1.is"
+
+        # Netherlands - SURFnet (Research & Education Network)
+        "time1.surfnet.nl"
+        "time2.surfnet.nl"
+
+        # France - Paris Observatory (Observatoire de Paris)
+        "ntp.obspm.fr"
+
+        # Germany - Physikalisch-Technische Bundesanstalt (PTB)
+        "ptbtime1.ptb.de"
+
+        # Japan - NICT (National Institute of Information and Communications Technology)
+        "ntp.nict.jp"
+
+        # South Korea - KRISS (Korea Research Institute of Standards and Science)
+        "time.kriss.re.kr"
+        "time.bora.net"
+        "time.nuri.net"
+
+        # New Zealand - NIWA (National Institute of Water and Atmospheric Research)
+        "ntp1.niwa.co.nz"
+
+        # Australia - NMI (National Measurement Institute)
+        "ntp1.nmi.gov.au"
+        "ntp2.nmi.gov.au"
+        "ntp3.nmi.gov.au"
+      ];
+    };
+
   # Set your time zone.
   time.timeZone = "Asia/Taipei";