A manual time entry can be added in the comments of a task.
1. Open the task view
2. Scroll down to the comments
3. Click on the clock symbol
4. Manually select the required hours and minutes, then click on "Create".
5. Select the day of the time entry of the time entry by clicking on the calendar icon
6. The manually inserted time is noted as a comment in the task and also appears in the timer logbook
