Clocking Work Time (Org Mode Compact Guide)

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### 8.4 Clocking Work Time

Org mode allows you to clock the time you spend on specific tasks in a project.

`C-c C-x C-i`

  Start the clock on the current item (clock-in). This inserts the ‘`CLOCK`’ keyword together with a timestamp. When called with a `C-u` prefix argument, select the task from a list of recently clocked tasks.

`C-c C-x C-o`

  Stop the clock (clock-out). This inserts another timestamp at the same location where the clock was last started. It also directly computes the resulting time in inserts it after the time range as ‘`=>HH:MM`’.

`C-c C-x C-e`

  Update the effort estimate for the current clock task.

`C-c C-x C-q`

  Cancel the current clock. This is useful if a clock was started by mistake, or if you ended up working on something else.

`C-c C-x C-j`

  Jump to the headline of the currently clocked in task. With a `C-u` prefix argument, select the target task from a list of recently clocked tasks.

The `l` key may be used in the agenda (see [BROKEN LINK: *The Weekly/daily Agenda]) to show which tasks have been worked on or closed during a day.