There are many synonyms for the phrase "equal in time" that can be used to convey the same meaning. Some of these synonyms include "simultaneous," "concurrent," "synchronous," and "coincidental." All of these words emphasize the idea that something is happening at the same time as something else, without any variation in the timing or duration. Whether you are discussing events, activities, or other time-based elements, these words can help you to convey the concept of things happening at the same time, with no discrepancies or disparities. By choosing the right synonym for your purpose, you can ensure that your communication is clear and concise, precisely conveying your intended meaning to your audience.