![]() Hours of sunlight are defined as the time between sunrise and sunset. What is the sunrise time on March 3? What is the sunset time that same day? ![]() Use the sunrise data in Chart A below for March in Hillsborough, CA and in Chart B for March in Anchorage, AK to answer the following questions.Īt the Nueva School in Hillsborough, CA what is the sunrise time on March 3? What is the sunset time that same day?Ĭompare the same information for a school in Anchorage, AK. Hillsborough, California (site of the Nueva School) and Anchorage, Alaska also have very different sunrise and sunset times during the year. This set of math questions compares and contrasts two locations: one in a mild climate, the other in a harsher climate. Likewise, as the sun rises and warms a location, the air temperature typically increases, which impacts the amount of heating or cooling needed in the building. The size and location of the windows in classroom, for example, will impact how much electric lighting the school must use at various times throughout the school day. When architects make decisions about how school buildings are designed, they must consider how much sunlight the buildings will receive at various times throughout the day. But the further north you travel, the more widely these sunrise and sunset times vary. Due to the tilt of the earth, locations closer to the equator experience fairly consistent sunrise and sunset times throughout the year. If your school is located in the northern hemisphere, it is likely that you start school in the dark each morning for several months during the winter. Think about your arrival at school in the morning during the fall and spring months versus the winter months. This includes America's northernmost town, Utqiaġvik (formerly known as Barrow), Alaska.How can a school be positioned on its site to take advantage of path of the sun? 5.Īreas north of the Arctic Circle – within 23.5 degrees of the North Pole – experience more than two months when the sun never ascends above the horizon. is the earliest the sun sets, occurring from Nov. The opposite is true in the summer.įor example, the earliest sunset in Atlanta is at 5:29 p.m. In the winter, the Northern Hemisphere is tilted away from the sun. Southern states experience a later sunset than northern ones near the winter solstice due to the tilt of the Earth on its axis and its elliptical (not circular) orbit around the sun. 2 to 19, while Los Angeles begins its decent into darkness at 4:44 p.m. On the West Coast, Seattle's sunset takes place at 4:19 p.m. In Washington D.C., the sun goes down at 4:46 p.m. 3 to 12, with sunset occurring at 4:35 p.m. 3 to 14 before the evening daylight starts to increase again. It's slightly better in Boston, where the sun sets at 4:12 p.m. Brian Brettschneider of the University of Alaska-Fairbanks, answers that question.Īt the eastern edge of the Eastern time zone in Caribou, Maine, the sun dips below the horizon at 3:43 p.m. The days will still get shorter until the solstice, however, because we'll continue to lose daylight with later sunrises each morning.īut how early does the sun set this time of year? The map above, courtesy of climatologist Dr. EST, the earliest sunsets of the year are either occurring now or have happened within the past couple of weeks. Although the winter solstice doesn't occur until Dec.
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