import time
import os
def print_time_zone_info():
print('TZ:', os.environ.get('TZ', '(not set)'))
print('tzname:', time.tzname)
print('Zone: {} ({})'.format(time.timezone, (time.timezone / 3600)))
print('daylight:', time.daylight)
print('Time:', time.ctime())
os.environ['TZ'] = 'Europe/Amsterdam'
time.tzset()
print_time_zone_info()
'''
run:
TZ: Europe/Amsterdam
tzname: ('CET', 'CEST')
Zone: -3600 (-1.0)
daylight: 1
Time: Mon Jun 3 12:32:05 2019
'''