Because I was on time so I allocate time to work to achieve the goal by the time limit, for example, how do I calculate the time to always want to wake up to go to school, what time.
Because I am a punctual. So, I set aside time to work to achieve the stipulated time, as I calculate the time to always get up, what time to go to class on time.
Because I was on time. So I set aside time to work to achieve the time as I calculate time to learn to always have to wake up time to go to school on time.