Home » Klipfolio Expert » What function do you use to convert a date string into “epoch time” in order to perform a calculation? NOTE: Epoch time is a computer readable date string. It is the number of seconds that have elapsed since Jan 1 1970. What function do you use to convert a date string into “epoch time” in order to perform a calculation? NOTE: Epoch time is a computer readable date string. It is the number of seconds that have elapsed since Jan 1 1970. Advertisement 5shares Facebook LinkedIn Pinterest Twitter Email DATE DATE_CONVERT DATE_VALUE SINCE UNIX Join our listSubscribe to our mailing list and get interesting stuff and updates to your email inbox. Thank you for subscribing.Something went wrong.We respect your privacy and take protecting it seriously