11. The NOAA satellite has equator crossing times of 0730 and 1930 local solar time . 12. In the early 19th century, Portugal adopted mean solar time . 13. Local solar time has a significant impact on planning the daily activities of Mars landers. 14. "' Mean solar time "'was originally apparent solar time corrected by the equation of time. 15. "' Mean solar time "'was originally apparent solar time corrected by the equation of time. 16. The fundamental unit of solar time is the day. 17. The Prague column was built in Meridian, which was used to check the exact solar time . 18. The user has to add the equation of time to clock time to calculate solar time . 19. The entire process lasted from about 16 : 20 to 20 : 29 local solar time . 20. When Russia implemented Galicia in Spain, in spite of a solar time difference of 2?hours.
