Ah, bummer.@mrfurious Nope That isn't possible. Maybe some day if the Blue Iris developer decides to support timeline-based playback.
But right now doing such a thing would require a complex and error-prone process of loading a particular date range of clips and finding whatever clip supposedly includes the desired timestamp, and then seeking to the right time (which could be unknowable if you use combine&cut).
Well, regardless, thanks for the prompt reply, and for developing UI3!