There are numerous synonyms for the phrase "sign the time." This phrase can be replaced with terms such as "indicate the time," "note the hour," or "acknowledge the moment." Other synonyms include "timestamp," "register," and "mark the time." These synonyms are useful when discussing the act of recording the exact time or moment of an event or activity, whether it be for organizational purposes, timekeeping or simply being punctual. Additionally, in various contexts, synonyms such as "signal the occasion" or "commemorate the event" may also be used to convey a sense of importance or significance to the moment or event at hand.