If you can assume that all dates will be in the last ten years, you can use the following code:
select convert(datetime, replace('Jan.08', '.', ' 20'))
select convert(datetime, replace('Dec.08', '.', ' 20'))
" 2008", . "Dec.08" "8 " " 2008 ".
"1." . , SQL- (.. 50 - 1950 49 - 2049).
select convert(datetime, '1.' + 'Jan.08')
select convert(datetime, '1.' + 'Dec.49')
select convert(datetime, '1.' + 'Jan.50')