As an administrator you can enter project time records manually. For this you go to “Reports” (marker 1), Project Time (marker 2) and click on “Add project time”.
After choosing the employee = user (marker 1) select the task (Marker 2) and create a note (Marker 3)if desired. You can edit the date, Start and End time (Marker 4) as you wish. Finally, if necessary enter a break (Marker 5) and choose if the task is “billable” or not (Marker 6).
You can enter the time format and duration in almost any form, you will find all the related details in the article about adding time and duration.