The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new ...

It takes 24 hours for the Earth to rotate once on its axis. We split the globe into time zones using imaginary lines called meridians. They run from the North Pole to the South Pole, crossing ...

Earth will probably still be a point of reference for relative time frames. Once the mars colonies spread more than 10 or 15 degrees longitude there will also be time zones on mars.

We want 12 o’clock midnight to be roughly the middle ... In light of that, the simplest answer is to simply use a convenient Earth time zone for timekeeping on Moon missions.

This means entirely new clocks designed to run as accurately ... don’t expect to need to calculate complex time zone shifts like here on Earth. “Offering a direct conversion like ‘12PM ...

humans invented a more precise way of time keeping with atomic clocks and the atomic timescale. But, every 1.5 years, or so, on average, these two timescales misalign because of the Earth's ...

Time zones are important ... which is the global time standard regulating clocks on Earth. UTC is determined by the weighted average of atomic clocks across Earth. LTC will be determined by ...

Standard time in the U.S. started back in 1883, with the railroads instituting standardized time zones. The action came about ...

putting the moon on its own souped-up clock. It’s not quite a time zone like those on Earth, but an entire frame of time reference for the moon. Because there’s less gravity on the moon ...