I know this is a couple questions but i really need help. I'm not sure where to start or how to answer these. Please help

nurnber of hours of sunlight, h h(t) = 2.4 sin (0.017d i 1.377) + 12. Using this formula, What is the shortest day of the year? What is the longest day of the year? When are we gaining hours (minutes) of daylight the fastest? How many hours of daylight are there on that day? When are we gaining hours (minutes) of daylight the slowest? When does the number of hours (minutes) gained slow down (i.e., the rate slows)? When are we losing hours (minutes) of daylight the fastest? How many hours of daylight are there on that day? When are we losing hours (minutes) of daylight the slowest? When does the number of hours (minutes) lost slow down (i.e., the rate slows)