click on the lever or press number keys 0-8 to change the timespeed and click on the switch next to the timespeed display to set it forwards or backwards in time and press the red button to set the timespeed to 0 instantly UPDATE: I added many many more years so you should check those out, also if you press space you can instantly go to the year you want to go to
Based on @Saturn741's project, if you like it maybe comment, love and favorite it, and also check out some of my other projects (and maybe follow me)