On this day, New York City residents will enjoy a 12 hour and 8 minutes long day. What causes seasons? More Than 12 Hours of Sun In fact, most locations on Earth tend to enjoy more daylight hours than nighttime hours on these two days of the year, thanks to the Earth's atmosphere and our definition of sunrise and sunset. The day and night are only nearly equal on the September equinox and the March equinox. The day is just a bit longer than the night on an equinox. Business Date to Date (exclude holidays).
