from socket import AF_INET, SOCK_DGRAM
import sys
import socket
import struct, time
def getNTPTime(host = "pool.ntp.org"):
port = 123
buf = 1024
address = (host,port)
msg = '\x1b' + 47 * '\0'
# reference time (in seconds since 1900-01-01 00:00:00)
TIME1970 = 2208988800L # 1970-01-01 00:00:00
# connect to server
client = socket.socket( AF_INET, SOCK_DGRAM)
client.sendto(msg, address)
msg, address = client.recvfrom( buf )
t = struct.unpack( "!12I", msg )[10]
t -= TIME1970
return time.ctime(t).replace(" "," ")