import pytz


def convert_timestamp_between_timezones(datetime_obj, timezone_from, timezone_to):
    """
    datetime_obj, datetime.datetime
    timezone_from:str, example: US/Eastern
    timezone_to: str, example: Utc
    return:datetiem.datetime obj of converted time at timezon_to
    """
    tz_from = pytz.timezone(timezone_from)
    tz_to = pytz.timezone(timezone_to)
    dt_from_tz = datetime_obj.replace(tzinfo=tz_from)
    dt_to_tz = dt_from_tz.astimezone(tz=tz_to)
    return dt_to_tz