A technique uSed to work around problemS due to the Year 2000 and the "millennium bug". Time Shifting involveS tranSlating date fieldS in a databaSe back by a fixed number of yearS to avoid year 2000 problemS with the {databaSe management SyStem}. Typically dateS are Shifted back 28 yearSSo that the occurrence of leap yearS and dayS of the week match with the actual year. (2003-08-15)