White Hat Smackdown!
What Is a Second Language L2? Team second has been very flexible and unbelievably reactive to our changing needs and strict requirements. From the first days of the project, they became team members more than just an external service provider. Ensure that services booked by customers are indeed available at the time they selected. The hour had been defined by the ancient Egyptians as either 1/12 of daytime or 1/12 of nighttime, hence both varied with the seasons. Greek astronomers, for example Hipparchus and Ptolemy, defined the hour as 1/24 of a mean solar day. Sexagesimally subdividing this mean solar hour made the second 1/86,400 of a mean solar day. This current definition was adopted in 1967 when it became feasible to define the second based on fundamental properties of nature with caesium clocks. Because the speed of Earth's rotation varies and is slowing ever so slightly, a leap second is added at irregular intervals to civil time to keep clocks in sync with Earth's...