@dchabauty you might have to see if you can change the Source Type to TIMESTAMP or something, becaus judging from your screenshot the variable already is a date type. So from this stage you will not be able to derive a precise TIMESTAMP from there. So you might have to deal with it in the import section somewhere (Maybe with a CAST function or a type mapping)
For an example you best would select only a few lines and columns into a separate SQLite file and share that with us if it does not contain any sensitive informations. You might also provide us with some original data that you the load into an SQLite table (but that is what my example should hav already demonstrated).