arrival in hong kong at may 16 10 am and then departure on may 19 at 10 am. too

According to the arrival time, it is suggested you to shopping near the Tsim Sha Tsui area to make shopping, see the Aveune of Stars and the symphony of lights in the evening. Then you can take the Tsuen Wan Line to reach Tai Wo Hau and then walk to reach your hotel.
On the second day, you can take the Tsuen Wan Line to reach Lai King to change to Tung Chung Line to reach Tung Chung Station where you can find the station of Ngong Ping 360. Then you can visit the Big Buddha and Tung Chung center. Then you can take the Tung Chung Line to reach Sunny Bay Station where you can find the Disneyland Resort Line to reach Disneyland directly. Then you can follow the same way to reach Lai King to change to Tsuen Wan Line to go back.
On the third day, you can take the Tsuen Wan Line to reach Admiralty Station and then you can walk to Admiralty West to take bus 629 to reach Ocean Park. After visiting, you can take the same bus to reach Central where you can have a visit to the Peak.
Then you can go to the airport on May 19 in the morning.