Which of the following statements about apparent solar time is NOT TRUE? (hint: see section 4.3 Astronomy textbook) Question 19 options: The exact length of a day (using apparent solar time) is not always 24 hours. During the day, the apparent solar time at your location, is dependent on where the Sun is located in your sky. Clocks that measure the passage of time at a uniform rate can not accurately keep track of apparent solar time. Apparent solar time was the standard used for measuring local time in every city and town in the U.S. until standard time zones were established at the end of the nineteenth century