Full article Earth broke the record 28 times in 2020, and it s still spinning faster. While Earth is, on average, pretty reliable it takes 86,400 seconds to rotate around its axis
In 2020, the Earth broke the previous record for shortest astronomical day, set in 2005. In effect the Earth broke the record 28 times in 2020, and it s still spinning faster. While Earth is, on average, pretty reliable and takes 86,400 seconds to rotate around its axis, this is not perfect.
”When highly accurate atomic clocks were developed in the 1960s, they showed that the length of a mean solar day can vary by milliseconds (1 millisecond equals 0.001 seconds),” write Graham Jones and Konstantin Bikos on TimeandDate.com.