When we need to specify a specific moment in time, we often use the phrase "exact time". However, there are also many synonyms that can be used to convey the same idea. For instance, we could say "precise time" or "accurate time" to refer to a specific moment without any ambiguity. Other synonyms for "exact time" include "definite time", "specific time", "specific moment", and "on the dot". When we need to convey that something is happening at a specific time, we might also use phrases like "scheduled time" or "fixed time". Whatever term we choose, it's important to be clear and specific about the moment we are referring to.