Search results

Length of Year: 11.86 Earth years Sidereal orbit period (days) 4,332.589

...to be used. In the 25th century, four leap seconds will be required every year, so the current quarterly options will be insufficient. Thereafter there w ...hat results from the calendar year not precisely matching the astronomical year length. This would be a major practical change in civil timekeeping, but w

This started out as an attempt to track down a 30 year old memory, 11-year-old deaf boy, who had not had the benefit of sign language