However, we can not grasp just numbers since we utilize date, month, and year to count time. Sometimes, we face an epoch time dataset that is simply a tally of seconds counting from Unix Epoch time. 3.For example, the epoch time in UNIX and POSIX-based operating systems is 00:00:00 UTC on Thursday, January 1, 1970. Use of the TEXT Function to Convert Unix Timestamp to Date in Excel. Step 3: Apply Date Format to Convert Serial Number to Excel Date. Step 2: Different Ways to Open the Format Cells Options. Step 1: Convert the Unix Timestamps into Serial Numbers. Format Cells to Convert Unix Timestamp to Date. Epoch time is widely used in computer systems and programming languages for its simplicity and ease of manipulation. It measures the number of milliseconds elapsed since January 1, 1970, at 00:00:00 Coordinated Universal Time (UTC). Epoch time, also known as Unix time, is a system for representing dates and times as a single numeric value.FollowConvert epoch to human-readable date and vice versa. Convert epoch to time Say I have a specific instant in time where I know the hour, minute, day, second, month, year, etc how can I convert this epoch time (seconds since 1970)? I can't use Boost, so please don't suggest a Boost solution.