UFO, Flying saucer over Honolulu, Hawaii

Witness description: Object Found Straight Overhead, Slowly Moving South. Chrome, Invisible, Black. On January 5th 2015, a couple of my friends and I were skateboarding in Honolulu, Hawaii at a tennis court. I noticed a silver, chrome object directly above me. I presumed it was an airplane until I witnessed the object completely disappear just seconds later. In shock, I told my friends about what I had just witnessed. We all looked up, and the object had reappeared. We stared at the chrome object for approximately 30 seconds before it vanished once again. Around another 30 seconds had passed, and the object was once again visible, but this time the UFO was completely black. It took once again another 30 seconds for the object to appear in its original chrome color. This cycle continued for around 3 hours and the UFO slowly moved south before clouds had engulfed it. We were able to get a lot of footage of the UFO, but unfortunately lost it all as the years have passed. All that remains is this vide