I need a Mumsnet timer - anyone solved this?

[Isabeller]

I need a timer on MN so I can drop in for a sensible visit and get reminded when it is '5 minutes to going home time' possibly even 'I'm going to count to 10...'

[WhereAreMyGlasses]

chrome.google.com/webstore/detail/stayfocusd/laankejkbhbdhmipfmgcngdelahlfoji?hl=en I use this - it gives you a set amount of time per day

[Isabeller]

Very interesting...thank you