Convert Timestamp Between Timezones

convert_timestamp_timezone.py

import datetime
from dateutil import parser as date_parser
from dateutil import tz
def convert_timestamp_timezone(timestamp, from_tz="UTC", to_tz="UTC"):
    """
    function to convert a string timestamp between timezones
    @timestamp - A string timestamp (dateutil.parser will be used to parse)
    @from_tz - A string, the current timezone as a string.
    @to_tz - A string, the timezone to convert the time to.
    Refer to: http://goo.gl/hmPXML for a list of acceptable TZ strings
    """
    timestamp = date_parser.parse(timestamp)
    from_tz = tz.gettz(from_tz)
    to_tz = tz.gettz(to_tz)
    tz_aware_timestamp = timestamp.replace(tzinfo=from_tz)
    converted_timestamp = tz_aware_timestamp.astimezone(to_tz)
    return converted_timestamp