Day
Day noun - An extent of time associated with a particular person or thing.
Usage example: the brief but glorious day of the clipper ship
Epoch is a synonym for day in time topic. In some cases you can use "Epoch" instead a noun "Day", when it comes to topics like date, duration, period, period of time. popular alternative
Nearby Word: daytime
Epoch
Epoch noun - An extent of time associated with a particular person or thing.
Usage example: Sir Isaac Newton is usually credited with establishing the epoch of modern science
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Synonyms for Epoch
Day is a synonym for epoch in date topic. You can use "Day" instead a noun "Epoch", if it concerns topics such as time, duration, period of time. popular alternative
Nearby Word: epochal
Mutual synonyms
How words are described
Both words in one sentence
- It's expressed as the (usually large) number of days since the start of the epoch, with the time of day indicated by a decimal, and is a probable inspiration for the "stardates" in Star Trek.
Source: Analysis / Unit Confusion - Instead of being normal and calling a day a day, the book insists on calling it an "epoch".
Source: Narm / Literature -
Each epoch (barring the idyllic present day) has its own variation.
Source: Video Game / Chrono Trigger
Cite this Source
Epoch and Day. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/day/epoch
Day & Epoch. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/day/epoch>.
Epoch or Day. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/day/epoch.
Google Ngram Viewer shows how "day" and "epoch" have occurred on timeline