The Formula 1 2018 season is just around the corner! Here’s a google calendar with all the race and qualification timings correctly entered with their respective time zones. You can just bookmark this page or add this public calendar to your google calendar.
Link to the calendar: F1 2018 Race And Quali Calendar
You’ll notice that this year the race start time is pushed back by 10 mins. This is to accommodate advertisers on the local broadcast.