How to execute a task every 20 minutes for 10 hours every day from 7:00 to 17:00

So, I have this task where I have to run part of my code every 20 mintues for 10 hours every day from 7:00 (7am) to 17:00 (5pm). Any ideas how I would go about doing that? My initial idea is something like that:

lowerTime = datetime("09:00:00");
upperTime = datetime("17:00:00"); 

start_time = sprintf("%d:%d",lowerTime.Hour,lowerTime.Minute);

end_time = sprintf("%d:%d",upperTime.Hour,upperTime.Minute);

current_time = sprintf("%d:%d",datetime('now').Hour, datetime('now').Minute);


disp(current_time);

if strcmp(current_time, start_time) 
    run = true; 
    while run

        % a while loop that runs for 10 hours
        % possibly another while or a timer to execute every 20 mins
        
        
        if strcmp(current_time,end_time)
            run = false
        end
    end


    

But this sounds too complicated. Is there a better way to do that?

Answer 1

[Jon]

You could use two timers.

The first timer would execute with a 24 hour period executing at 7:00AM each day. Its callback function would start up another timer that would execute a fixed number (10*60/20 = 30) of executions at 20 minute intervals. the callback for this timer would be the portion of code you want to execute every 20 minutes from 7:00 to 17:00