For days- DateTimeDiff([Time_Now],[TIMESTAMP],"days") For Hours- DateTimeDiff([Time_Now],[TIMESTAMP],"hours")-[Days]*24 For Minutes- DateTimeDiff([Time_Now],[TIMESTAMP],"Minutes")-[Days]*24*60-[Hours]*60 For Seconds- DateTimeDiff([Time_Now],[TIMESTAMP],"seconds")-[Days]*24*60*60-[Hours]*60*60-[Minutes]*60