Convert current time with Airport code
root@debian-64:~/# ./timezone.py LHR
Your location time:2015-12-27 14:16:20.507131
Europe/London time: 2015-12-27 06:16:20 GMT+0000
root@debian-64:~/# ./timezone.py hkg
Your location time:2015-12-27 14:16:25.143637
Asia/Hong_Kong time: 2015-12-27 14:16:25 HKT+0800