What conclusions do you draw from these maps and the data they represent? Clearly, the data is generated from a self-selecting group that uses Jawbone’s health-tracking devices, so there’s bound to be some variation from the general public. Some remote college towns are also night owls, ostensibly up late studying.īelow, Jawbone also mapped its data on total hours of sleep by county, with Jefferson clocking in at 6.91 hours a night, just shy of the seven hours recommended by the National Institute of Health. The rest of New York City, along with Las Vegas, Miami, New Orleans, and Atlantic City, represent the latest bedtimes. Despite the sun setting an hour earlier, Brooklyn goes to sleep latest at 12:07a.m. Nationwide, Jawbone noticed that places with an active nightlife tended to stay up latest. Carter County in far eastern Kentucky stays up the latest, with an average 11:52 bedtime, according to the map. Oldham County also goes to sleep at 11:38 while Trimble County knocks off earliest at 11:28p.m. ![]() Unbeknownst to us, our body’s circadian rhythms tune to sunlight hours, silently influencing you to go to bed when the sun goes down irrespective of the exact time.Īs you can see, according to Jawbone’s data, the average person in Jefferson County goes to sleep at 11:38p.m., the latest of any county in Louisville’s metropolitan statistical area that includes Southern Indiana. So people go to bed later in the western edge of the timezone than the eastern edge. It’s also 6pm in western Kansas, almost 1000 miles away, but the sun will not go down for another hour. It’s 6pm, and the sun has gone down in the middle of Kentucky. If they both go to bed 4 hours after the sun goes down, their clocks will say that the person in Eastern Time went to bed one hour later than the person in Central Time.Ģ. Imagine two people in Kentucky, very close to each other but on opposites sides of the time zone border. The average difference in bedtime across the time zone border is 16 min…, and some places it’s as high as 30 minutes. Here’s how Jawbone described it on its blog: The circadian rhythm phenomenon on display here seems simple enough and shows how our biological clocks respond to natural daylight over the more arbitrary arms of a clock. Unsurprisingly, there are some drastic bedtime differences along the time zone borders, most dramatically seen in Kentucky. to show the average times Americans hit the sack. That effect is repeated across the United States as zigzagging time zones slice the country into pieces.ĭata scientists at health-tech company Jawbone have taken data from its users and mapped it county-by-county across the U.S. That’s an extra hour of sunlight between the eastern and western edges of the Eastern Standard Time zone. In Louisville, the sun sets tonight at 5:40p.m. Each time zone was separated by 15 degrees.Where I live in Brooklyn, the sun will set today at the depressingly early time of 4:45p.m. Who invented the time zone? Sir Sandford Fleming developed the system in 1878 that divided the world into 24 different time zones. How long has time zones been around? The worldwide time zone system was developed in 1878. What time zones have the most states? The time zone that covers the most states is the Eastern Standard Time Zone (EST) How many different time zones are in the US? There are six different time zones including Alaska and Hawaii. ![]() What is the latest time zone in the United States? Eastern Standard Time Zone (EST) is the latest time zone by the hour. WA OR NV CA PACIFIC WY UT NM MT ID CO AZ MOUNTAIN WI TX TN SD OK ND NE MO MS MN LA KS IA IL AR AL CENTRAL VA VT WV SC RI PA OH NC NY NJ NH MI MA MD ME KY IN GA FL DE CT EASTERN Eastern Standard Time Zone Connecticut (CT) The other two are Alaskan Standard Time (AKST) and the Hawaii-Aleutian Standard Time (HST). However, the United States actually has six standard time zones. The most familiar four major United States time zones are Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), and Pacific Standard Time (PST). View the live map of US time zones below.
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