If you for some reason need/want
read you could say:
read -r user mm dd time1 time2 date="$mm $dd"
-r is generally a good idea – even when one think one does not need it.
The -r option to read prevents backslash interpretation (usually used as a backslash newline pair, to continue over multiple lines). Without this option, any backslashes in the input will be discarded. You should almost always use the -r option with read.
Else, if you have control on input you could say:
121212 "Jan\ 14" 00 12
Then you do not use