1.   Losing time on the computer clock is one of the symptoms of a dying battery.

2.   What would cause a computer clock to suddenly show one hour earlier?

3.   Yet, the computer clock still was not right.

4.   If the DBCentury variable is not present, the Informix product will default the century value to the current century, which it obtains from the computer system clock.

5.   If the DBCentury variable is present, it can be set to select a default date that is before, after or closest to the computer system clock.