Overlapping employment dates on CV?

There's a possibility I'm just massively overthinking this, but input is still appreciated... I'm finishing up a year as a VAP and heading to another university for a position that starts in June. My contract at my VAP institution runs through the very end of July (when our summer session ends), but technically, we aren't salaried, per our annual pay, over the summer. Because pretty much all of the faculty teach during the summer (often, as in my case, 3 courses), what this essentially... Overlapping employment dates on CV?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums