man(1) chrono man page man(1) NAME chrono - Measure elapsed time SYNOPSIS chrono [BbCcDdHhrSsTtVXxWY] DESCRIPTION chrono is a terminal ncurses-based and/or X11-based windowed chronometer with millisecond precision, seconds, minutes, hours, days, months & years, repeatable countdown, pause and reset function. OPTIONS -h, --help Show this help message and exit -b, --borderless Create X11 window without decorations or borders -B, --beep Play a sound at the end of a countdown -C, --command COMMAND Execute COMMAND when countdown ends -c, --countdown FORMAT Countdown using one of these formats: 15, 2:30 or 1:15:05 -D, --debug Show detailed debug informations -d, --display NAME Use specified X11 display name (ie ":0.0" or ":1.0") -r, --repeat Restart countdown once reaching 0 -S, --sticky Show window on all desktops -s, --seconds Display seconds instead of milliseconds -T, --title TEXT Put TEXT as window title -t, --test Run correctness tests and exit -x, --X11 Use XOrg X11 Xlib as GUI (Only if ncurses support is enabled) -X, --position-x XNUM Set the horizontal window position -Y, --position-y YNUM Set the vertical window position -W, --width WNUM Set window width in pixels -H, --height HNUM Set window height in pixels -V, --version Show the program version and exit Once chrono has started, press 'q' to quit, 'r' to reset and 'p' or to pause. chrono also responds to the SIGUSR1 and SIGUSR2 signals to pause and reset respectively. EXAMPLES chrono -c 1:15:30 Start a countdown of 1 hour, 15 minutes and 30 seconds chrono -x -b -r -c 1:0:0:0 -C "date >> /tmp/chrono-timestamp.log" Start a borderless X11 window and log current date after repeated countdown of 1 day BUGS The elapsed time can gain or lose around 1 second over a day period. The elapsed time may gain or lose 1 hour on daylight saving time changes. AUTHOR Stephane Fontaine (bugs@esselfe.ca) 0.2.43 30 August 2023 man(1)