public static void Main()
Console.WriteLine("Hello World");
DisplaySlots("HH:mm", System.TimeSpan.FromMinutes(60), 10);
static void DisplaySlots(string format, TimeSpan slotLength, int slots)
DateTime time = DateTime.Today.Add(System.TimeSpan.FromHours(9));
for (int i = 0; i < slots; i++)
Console.WriteLine(time.ToString(format));
time = time + slotLength;