On 'before' but not 'after' 13:30.

On 'before' but not 'after' 13:30. On both 'before' and 'after' 13:30. On 'before' but not 'after' 13:30. Straightforward 'before' but not 'after' 13:30. On both 'before' and 'after' 13:30. Straightforward 'after' but not 'before' 13:30.