Central Time is 2 hours ahead of Pacific Time. The mainland U.S. has four time zones (Alaska and Hawaii each have their own time zâ¦ones, which makes a total of 6 different time zones for the U.S.). From west to east, the mainland U.S.'s time zones are: Pacific Time, Mountain Time, Central Time and Eastern Time.
It includes a sensor strapped to the wrist which can measure the pressure in the aorta, the main artery close to the heart, where high blood pressure does most damage. A sensor in the watch records the pulse wave of the artery, which is then fed into a computer together with a traditional blood pressure reading from a cuff. In most people the pressure in the aorta is 10mm Hg lower than in the arm, but in some, especially younger people, it is as much as 30mm Hg lower.
what it means and where on apple watch you ll find it learn how apple watch measures your heart rate and get tips for a more accurate reading you can check your heart rate any time using the heart rate glance and when you re using the workout app apple watch measures your heart rate continuously during the workout this information as well as other data it collects helps apple watch estimate how many calories you ve burned in addition apple watch measures your heart rate throughout the day when you re still