This online math game allows you to practice time conversions in days, hours, minutes and seconds. It is an excellent practice for calculating time. Combined with lesson reminders on time calculations, it allows you to practice the rules of sexagesimal calculation. To win, all you have to do is find the right answer in a list. In case of error, the game proposes the right answer and a link that relies on the calculation engine of the site to give the steps of calculation.