Visitor reviews wait for your approval, and you can add your own clients' testimonials at the right date.
The Reviews widget shows star-rated testimonials with your average rating. Manage them in the "Reviews" section on this page: visitor-submitted reviews arrive as Pending (approve the ones you want public), and you can add your own clients' testimonials anytime. Only approved reviews appear on your website. Each review shows its submitted date, and testimonials you add yourself carry an "Added by you" tag.
Set the right date on testimonials you add: when adding one, pick the "Submitted on" date (defaults to today) so it reflects when the client actually gave the review. For one already in the list, click "Edit date" next to "Submitted …" to change it.