Days are off by one, developer needs to fix – Countdowns - Event Countdown Review

Another reviewer mentioned the off-by-one design flaw when using days, and it is still present in the app as of this review. The developer needs to change how they account for days until an event, or at least give users the option to consider how many days until an event as the way humans actually think about it. Two days before your birthday, the app should not return “1” for the number of days until then. From midnight to 11:59 pm two days before your birthday, it should report “2”. On the day of your birthday, it should return “0” just like the other reviewer described (or even better, return “Now” or “Today” or user-supplied custom text, instead). This design flaw seems to be due to basing the remaining days count on the number of hours divided by 24. Easy fix: add an option to consider days-until as *calendar* days. Otherwise a great app, with watch infograph complications!
Review by Phil Ament on Countdowns - Event Countdown.