If you’re one of them, you may find some solace in this timer which has already started counting down the day Mr Trump’s first term in office will end. According to the countdown clock, published on tickcounter.com, Trump’s last day in office will be January 20, 2021, which is 3 years, 11 months and 28 days away. Donald Trump’s inauguration failed to attract the many crowds that former President Obama’s did.