utils.py 文件源码

def append_offset_to_timezone(tz):
    """Appends offset value to timezone string:
    Europe/London -> Europe/London (+000)
    """
    if tz not in common_timezones:
        return tz
    offset = datetime.now(timezone(tz)).strftime('%z')
    return '{0} ({1}:{2})'.format(tz, offset[:3], offset[3:])