Editing Units on X-axis ( converting hh:mm:ss to hh:mm)

[jimy]

Hi , really stuck on this problem

not sure if i can post a gyazo but you can see my problem here

https://gyazo.com/3fd40915a6469ba8ca5d6ca4b5dc9c74

please help , thanks

[MrShorty]

If those are actual time values (and not text strings that look like time), it seems like it should be as easy as changing the number format on the X-axis to "hh:mm".