from datetime import datetime
import pytz
ALL_TIMEZONE_CHOICES = tuple(zip(pytz.all_timezones, pytz.all_timezones))
COMMON_TIMEZONE_CHOICES = tuple(zip(pytz.common_timezones, pytz.common_timezones))
PRETTY_TIMEZONE_CHOICES = []
for tz in pytz.common_timezones:
now = datetime.now(pytz.timezone(tz))
ofs = now.strftime("%z")
PRETTY_TIMEZONE_CHOICES.append((int(ofs), tz, "(GMT%s) %s" % (ofs, tz)))
PRETTY_TIMEZONE_CHOICES.sort()
for i in range(len(PRETTY_TIMEZONE_CHOICES)):
print(PRETTY_TIMEZONE_CHOICES[i], PRETTY_TIMEZONE_CHOICES[i][1:])