请问雅典宪法广场乘坐几路公交到码头

请问雅典宪法广场乘坐几路公交到码头,大概时长,公交运营时间?早晨七点半的船票~

宪法广场至Piraeus, Greece - Google地图http://www.google.cn/maps/dir/%E5%AE%AA%E6%B3%95%E5%B9%BF%E5%9C%BA+Athens,+Ermou,+%E9%82%AE%E6%94%BF%E7%BC%96%E7%A0%81:+105+63/Piraeus,+Greece/@37.9639396,23.6654991,14z/data=!3m1!4b1!4m14!4m13!1m5!1m1!1s0x14a1bd3e9b657a0b:0xffa333909b897b9!2m2!1d23.7339