You can set up your mobile right now to sync the Gameweek deadline to your device, meaning you will never miss another one again.
Just go to pl.ecal.com and select "FPL" to do so.
It also allows you to get details of all matches, or just those of your favourite club, and will update automatically if matches are rescheduled.
Stay ahead of the game and your rivals to give yourself the best chance of hitting the ground running again.
If still you don't trust yourself to check your calendar, the easiest way not to forget is to get notified of the impending deadlines by the Premier League app.
You can do this very easily by going to the "More" section of the iOS or Android apps.
There you will see the "Notifications" section. Switch on the Fantasy notifications.
Remember also to allow notifications by the app in your device's notification settings.