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import socket, struct, datetime

client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
client.settimeout(1.5)
client.sendto(b'\x1b' + 47 * b'\0', ("time1.aliyun.com", 123))
data = client.recvfrom(1024)[0]
client.close()

current_timestamp = struct.unpack('!12I', data)[10] - 2208988800
print(current_timestamp)

current_beijing_time = datetime.datetime.fromtimestamp(current_timestamp, tz=datetime.timezone(datetime.timedelta(hours=8)))
print(current_beijing_time)