import datetime
import sys
import pytz
et=123123123
tf=12
tz='CET'
tz_dict= {-12: 'BIT',
         -11: 'NUT',
         -10: ['CKT', 'HST', 'TAHT'],
         -9: ['AKST', 'GAMT'],
         -8: ['CIST', 'PST'],
         -7: 'MST',
         -6: ['CST', 'EAST', 'GALT'],
         -5: ['ACT', 'COT', 'ECT', 'EST', 'PET'],
         -4: ['AMT', 'AST', 'BOT', 'CLT', 'FKT', 'GYT', 'PYT', 'VET'],
         -3: ['ART', 'BRT', 'GFT', 'PMST', 'ROTT', 'UYT'],
         -2: ['FNT', 'GST'],
         -1: ['AZOT', 'CVT', 'EGT'],
         0: ['GMT','UTC', 'WET'],
         14: ['LINT'],
         13: ['PHOT', 'TKT', 'TOT'],
         12: ['FJT', 'GILT', 'MAGT', 'MHT', 'NZST', 'PETT', 'TVT', 'WAKT'],
         11: ['KOST', 'MIST', 'NCT', 'NFT', 'PONT', 'SAKT', 'SBT', 'SRET', 'VUT'],
         10: ['AEST', 'CHST', 'CHUT', 'DDUT', 'PGT', 'VLAT'],
         9: ['EIT', 'JST', 'KST', 'TLT', 'YAKT'],
         8: ['AWST', 'BDT', 'CHOT', 'CIT', 'CT', 'HKT', 'IRKT', 'MYT', 'PHT', 'SGT', 'SST', 'ULAT', 'WST'],
         7: ['CXT', 'DAVT', 'HOVT', 'ICT', 'KRAT', 'THA', 'WIT'],
         6: ['BIOT', 'BST', 'BTT', 'KGT', 'OMST', 'VOST'],
         5: ['HMT', 'MAWT', 'MVT', 'ORAT', 'PKT', 'TFT', 'TJT', 'TMT', 'UZT', 'YEKT'],
         4: ['AZT', 'GET', 'MUT', 'RET', 'SAMT', 'SCT', 'VOLT'],
         3: ['EAT', 'FET', 'IOT', 'MSK', 'SYOT', 'TRT'],
         2: ['CAT', 'EET', 'IST', 'SAST', 'USZ1'],
         1: ['CET', 'MET', 'WAT', 'WEST'],
        }

def main():
    unixConverter(et)   #convert epoch to timestamp with 24 hours

def unixConverter(et):
 """The unix_converter function uses the datetime library to convert the timestamp
 :parameter timestamp: An integer representation of a UNIX timestamp.
 :return: A human-readable date & time string."""
date_ts = datetime.datetime.utcfromtimestamp(et)    #assign datetime to variable and format it
if tf == 24:
    print('The current UTC time in 24 hour format is '+ str(date_ts))      #printing!
else:
    print('The current UTC time in 12 hour format is '+ date_ts.strftime('%d-%m-%Y %I:%M:%S %p UTC')) #time format isn't 24 hours. falling back to default

for tf, value,   in tz_dict.items():
   if tz in value:
          offset = (tf * 3600)
          print("The timezone " + str(tz) + " was found. The offset is UTC " +str(tf) + " hours")
          print('The offset in seconds is ' + str(offset) + 'seconds')
          print('This means that the LOCAL time is '+ str(et)+str(tf) )

          exit()

else:
        print("Your timezone wasn't found. Are you sure it exists?")