Hi Mark,
You can Follow the implementation of such a feature in the original request here: https://feedback.telerik.com/blazor/1451572-time-intervals-larger-than-second. I am now marking this as a duplicate to keep the portal tidy. I see that you've also added your Vote to the original one to raise its priority and you can also click the Follow button to get email status updates.
Regards,
Marin Bratanov
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