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-rw-r--r--redshift.114
1 files changed, 12 insertions, 2 deletions
diff --git a/redshift.1 b/redshift.1
index 215dedf..3555e15 100644
--- a/redshift.1
+++ b/redshift.1
@@ -105,10 +105,20 @@ Screen brightness at daytime
Screen brightness at night
.TP
\fBelevation-high\fR = decimal
-The solar elevation for the transition to daytime
+The solar elevation in degrees for the transition to daytime
.TP
\fBelevation-low\fR = decimal
-The solar elevation for the transition to night
+The solar elevation in degrees for the transition to night
+.TP
+\fBdawn-time\fR = HH:MM[-HH:MM]
+The custom time interval for the transition from night to day in the morning.
+When specified, the solar elevation will not be used to determine the current
+daytime/night period. If this option is set, dusk-time must also be specified.
+.TP
+\fBdusk-time\fR = HH:MM[-HH:MM]
+The custom time interval for the transition from day to night in the evening.
+When specified, the solar elevation will not be used to determine the current
+daytime/night period. If this option is set, dawn-time must also be specified.
.TP
\fBgamma\fR = R:G:B
Gamma adjustment to apply (day and night)