You need to budget your time to avoid having priorities assigned to it by social pressure that aren’t consistent with your vocation.
Budgeting your time can help put you in a better position to avoid additional time and energy spent managing schedule crises.
You need to budget your time in order to get the most out of it not only by doing more things but also—and more importantly—by doing more important things.
You need to budget your time in order to manage your commitments because your time is limited, but your possible commitments are unlimited.
Do you really need to budget your time in the first place? There are at least 4 very good reasons the answer is a firm “Yes.”