TrumpTime Date Calculator funktioniert nicht

It displays the time elapsed since the start of the Trump Administration: the number of days elapsed, the remaining days and the overall days in the term. Pick today or any date.  Or, enter a time period since Inauguration - for example, 2 years, 8 months and 27 days - to see that date.  Or, find the date that is a given time period before or after a known date; for example, find the date that is 17 weeks and 4 days after today.  You can display a text description of the elapsed, remaining and overall time in office, and copy it to paste into other apps, like Mail.  Turn on "Time to milestone", select today or any date, and select a milestone, such as the 2018 Midterm Election.  The display shows the days from the date until the milestone.  The app’s icon badge can display the elapsed or remaining days.  The progress bar can display the elapsed time in green or red.  Open the calculator and pick any two dates to display the time between them.  You can enter formulas as the time period using the four arithmetic operators +, -, × and ÷, and you can chain multiple operations together.  The progress bar illustrates the elapsed time since Inauguration.  For example, you can calculate the date that is 7 × 29 + 3 months after a known date.  TrumpTime includes a general date calculator.  You can display a four-year term ending January 20, 2021 or an eight-year term ending January 20, 2025.  TrumpTime is a date calculator.  Select a milestone, such as one year in office, day 500 or the next Presidential Election Day.