I needed a quick and dirty world clock in my terminal, so I made this. Every second it prints out a bunch of clocks. $ ./worldclock Thu Aug 10 09:22:01 PDT 2017 America/Los_Angeles Thu Aug 10 16:22:01 UTC 2017 UTC Thu Aug 10 17:22:01 BST 2017 Europe/London Thu Aug 10 18:22:01 CEST 2017 Europe/Berlin Fri Aug 11 00:22:01 MYT 2017 Asia/Kuala_Lumpur Fri Aug 11 00:22:01 SGT 2017 Asia/Singapore 1502382121 unix