Greenwich standard time. Its also refered to as Greenwich Mean Time, or Zulu in the military. On this forum, you can change that in your preferences.
It is also bogging down on cold take offs. It is like its flooding or not getting enough fuel. I cant tell which. I push the pedal beyond idle and unless I floor it, it bogs for 5 seconds or so. If I floor it, it bogs for a sec then gradually gathers rpm, in the next second.