When you hover over a Cycle Marker, you should be able to see its length in both bars -and- (even more importantly) in seconds.
There’s a way to see it now, but it’s convoluted…
https://www.steinberg.net/forums/viewtopic.php?f=283&t=195723&p=1032670
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No brainer.
Just another great suggestion that will take 8 YeArS tO IMPleMEnt !! 
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And the same on any part, because switching time format is a bit troublesome - many times I press “,” rather than “.” because of black keyboard, dark studio and tired eyes.
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