* `-n`: dry-run, print the next 5 times the command would run.
* `-v`: verbose, print scheduled (and rescheduled) times.
* `-t`, `-T`: see below timefiles
-* `-R`: add between 0 and RANDDELAY seconds to the scheduled time.
+* `-R`: add between 0 and RANDDELAY seconds to the start of the scheduled time.
+* `-J`: add between 0 and JITTER seconds to scheduled execution time.
* `-s`: commands are executed even if they are SLACK (default: 60) seconds late.
-The durations RANDDELAY and SLACK and TIMEWAIT are parsed as seconds,
+The durations RANDDELAY and JITTER and SLACK and TIMEWAIT are parsed as seconds,
unless a postfix of `m` for minutes, `h` for hours, or `d` for days is used.
The remaining arguments are patterns for the time fields: