Number of seconds from 1st January 1900 to start of Unix epoch

Question

I need to report a time in seconds since 1st January 1900. I have the number of seconds since the start of the Unix epoch.

Can anybody point me to a definitive refe

Answer 1

70 years = 2,208,988,800 seconds, 01-01-1900 00:00 to 01:01-1970 00:00