Panel in Issue detail view
Not only on the board you can schedule or log time directly from Jira issue details screen
From the right panel open Team Board tab.
You can schedule the start date, end date, book hours per day and also log time by clicking on the “+ Add timelog”
2. Timelog in Issue Detail
Open timelog panel in issue detail by click on Team Board app menu.
Timelogs tab will be enabled when installed TeamBoard.
Open TeamBoard panel
List timelog in TeamBoard panel
Fill in and submit timelog
If you replaced Jira builtin Time tracking provider by TimePlanner then you can log time using the Timelog tab in issue details screen