lines python timechart

ltc.py

# usage:
# $ python3 ltc.py "America/Chicago" "8/27/2020 15:00"
# 01PM MST
# 01PM PDT
# ...
# 04:00 AWST
# 04:45 +0845
# ...

import pytz, datetime, argparse

ap = argparse.ArgumentParser()

ap.add_argument('here')
ap.add_argument('heretime')

ar = ap.parse_args()

here = ar.here  #'America/Chicago'
heretime = ar.heretime  #'8/27/2020 15:00'
us_fm = '%I%p %Z'
fm = '%H:%M %Z'
  
utc = pytz.timezone(here).localize(datetime.datetime.strptime(heretime, '%m/%d/%Y %H:%M')).astimezone(pytz.utc)
  
tc = [] 

# the US gets it's own loop for our silly 12-hour clocks 
for c in ['us']:
  for tz in ['America/Los_Angeles', 'America/Phoenix', 'America/Chicago', 'America/New_York']:
    tc.append(utc.astimezone(pytz.timezone(tz)).strftime(us_fm))

tc = list(dict.fromkeys(tc))
tc.sort()

for tz in tc:
  print(tz)

tc = []

for c in ['gb', 'no', 'de', 'se', 'it', 'jp', 'fi', 'au']:
  for tz in pytz.country_timezones[c]:
    tc.append(utc.astimezone(pytz.timezone(tz)).strftime(fm))

tc = list(dict.fromkeys(tc))
tc.sort()

for tz in tc:
  print(tz)