On 5/10/2025 3:23 PM, Python wrote: > Le 10/05/2025 à 11:40, Maciej Woźniak a écrit : >> Time is what clocks indicate. >> >> If we synchronize clocks - they're >> indicating t'=t; that's what clock >> synchronization means. > > This looks like a very fuzzy definition. Doesn't look like any definition for me. > Of course if both clocks are broken i.e. are stopped I could compare two constants values, but it would be pointless Right, it would be. >> We can do it - that doesn't have to >> be obvious or easy, but that's definitely >> something we can manage in most >> circumstances (with a good accuracy). > > Could you describe at least one way to do it in a simple case? And how to check accuracy of the applied procedure? Why won't you check GPS documentation for that.