Is this the date of the arrival or departure?

FlightAware General
1

I cant tell whether or not this flight landed on the 20th of June or the 19th of June. Can anyone tell?

http://flightaware.com/live/flight/JA778A/history/20130620/0205Z/RJAA/KIAD

2

Departure.

But Japan-US flights generally arrive the same day they departed, a few hours before they departed.

3

Thanks!