Launch countdown (GMT)

I made this launch countdown, so you can countdown the time down to the very second on when people in the GMT timezone should get the release of Sea of thieves, planning on streaming it on twitch so people can countdown together in 4 days :D

here it is: https://www.timeanddate.com/countdown/generic?iso=20180320T00&p0=136&msg=Sea+of+thieves+launch+(UK)&font=cursive