# Help understanding the Relativity of Simultaneity

• B
• Chenkel
Ibix said:
Agreed. @Renato Iraldi is correct that the reading on the ever-changing clock in front of him is advancing faster than the one in his rest frame, but is wrong to call this "the time" in any frame, since no clock is measuring it, and no one clock can ever do so.
this is why i say "it seem to go faster"

Renato Iraldi said:
this is why i say "it seem to go faster"
That is a bad way to state it because you are not looking at how fast one clock is ticking. You are looking at a series of moving clocks that are at different positions of the relatively moving IRF. You do not get to see how fast each is ticking as they go by. For all you know, they might all be stopped and might have been initially set wrong. There is a saying: "Ahead is behind and behind is ahead." That expresses the way that the "synchronized" clocks in the relatively moving IRF are set.
The only way to know how a fast a clock in the relatively moving IRF is ticking, you must follow it as it passes different positions in your "stationary" IRF. That involves a series of clocks in your IRF and only one clock in the "moving" IRF that you are following.

Renato Iraldi

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