Reply to post: Re: Problem with UTC

If we plan to live on the Moon, it's going to need a time zone

Anonymous Coward
Anonymous Coward

Re: Problem with UTC

The meter is defined by the distance travelled by light in a second so you get a lunar meter as well

Nope, this is the one of the reasons why the definition of the metre was changed from the length of a metal bar (originally kept in France I believe) to the distance that light travels in vacuum in approximately a 300 millionth of a second. To an observer, light travelling in a vacuum must always travel at a velocity of c, so a metre is always exactly a metre, whatever your relativistic frame of reference is.

Unless you're talking about space time compression (gravitational waves for example.) Then it gets really confusing...

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