What is the difference between normal time and Unix time?
Time according to use is the one that we see and use daily. It needs no explanation. It is understood and read by humans easily. What is unique and different about Unix time? Unix time is represented by a 32-bit number.
Unix time came into existence in the 60th or 70th century so, the start time was set to January 1st 1970 midnight. Unix time value 0 represents this date and time. Unix time begins at 0 and it also has an endpoint. A 32-bit integer between -2147483648 and 2147483647 is represented as Unix time values.
The span of Unix time value is from -2147483648 or 20:45:52 GMT on December 13th 1901 to Unix Time value of 2147483647 or 3:14:07 GMT on January 19 in 2038. The mentioned dates reflect the beginning, pre-history and end of time. Till the year 2038, there will be no issues going with the Unix time but later, it should be changed to a 64-bit integer.