比较时间:检查给定时间是否在另一个给定的时间内。

As the title states; Is there a way to compare times to see if they are within a certain amount of time of each other? Ie. a way to tell if Time1 is within 15 minutes of Time2. A more complicated example might be within 75 minutes (because the hour will have changed as well, therefore resetting the minute count to 0. As the title states; Is there a way to compare