wlsunset(1) General Commands Manual wlsunset(1) NAME wlsunset - day/night gamma adjustments for Wayland compositors supporting wlr-gamma-control-unstable-v1 SYNOPSIS wlsunset [options...] OPTIONS -h Show this help message. -T Set high temperature (default: 6500). -t Set low temperature (default: 4000). -l Set latitude (e.g. 39.9). -L Set longitude (e.g. 116.3). -S Manual time for sunrise as HH:MM (e.g. 06:30). -s Manual time for sunset as HH:MM (e.g. 18:30). -d Manual animation time in seconds (e.g. 1800). Only applicable when using manual sunset/sunrise times. -g Set gamma (default: 1.0). RUNTIME CONTROL Sending SIGUSR1 to wlsunset causes it to cycle through the following modes: 1. Forced use of the high temperature. 2. Forced use of the low temperature. 3. Automatic temperature calculation, the default behavior. EXAMPLE # Beijing lat/long. wlsunset -l 39.9 -L 116.3 Greater precision than one decimal place serves no purpose (https://xkcd.com/2170/) other than padding the command-line. AUTHORS Maintained by Kenny Levinsen . For more information about wlsunset development, see https://sr.ht/~kennylevinsen/wlsunset. 2024-04-21 wlsunset(1)