tzconvert.py

# pip install dateutil pytz

import dateutil.parser
import pytz

import traceback

while True:
    try:
        line = raw_input("> ").strip()
        first_space = line.find(' ')
        last_space = line.rfind(' ')
        src_tz = pytz.timezone(line[0:first_space].strip())
        dest_tz = pytz.timezone(line[last_space:].strip())
        timestamp = line[first_space:last_space].strip()
        t = src_tz.localize(dateutil.parser.parse(timestamp))
        print(timestamp)
        print('==> %s in %s is %s in %s' % (t.strftime('%b %d, %Y %I:%M %p'), src_tz, 
            t.astimezone(dest_tz).strftime('%b %d, %Y %I:%M %p'), dest_tz))
    except (KeyboardInterrupt, EOFError):
        break
    except:
        traceback.print_exc()


print("Bye!")