diff --git a/Makefile.am b/Makefile.am
index 4eb56c1..21cb7eb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
 SUBDIRS = src
 
 dist_doc_DATA = README
+
+man_MANS = man/sun.1
diff --git a/man/sun.1 b/man/sun.1
new file mode 100644
index 0000000..66bbb81
--- /dev/null
+++ b/man/sun.1
@@ -0,0 +1,83 @@
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.40.10.
+.TH SUN "1" "December 2012" "sun 0.1" "User Commands"
+.SH NAME
+sun \- calculate sun's rise/set times, the solar noon and the daylight time duration
+.SH SYNOPSIS
+\fBsun\fP \fImode\fP [options]
+.SH DESCRIPTION
+\fBsun\fP is designed to be used with tools like \fBcron\fP, \fBat\fP etc..
+Take a look at the EXAMPLE section for some useful usecases.
+.TP
+\fImode\fR is one of:
+.IP
+\fBrise\fP calculate sunrise
+.IP
+\fBset\fP calculate sunset
+.IP
+\fBnoon\fP calculate solar noon
+.IP
+\fBdaytime\fP calculate daylight time duration
+.IP
+\fBnighttime\fP	calculate 24h - daytime
+
+.P
+Please note that a combination of \fB\-\-lat\fR, \fB\-\-lon\fR or \fB\-\-query\fR is required!
+
+.SH OPTIONS
+.TP
+\fB\-t\fR, \fB\-\-twilight\fR=\fITWILIGHT\fP
+use special twilight.
+
+\fBcivil\fR: -6 degrees
+
+\fBnautic\fR: -12 degrees
+
+\fBastro\fR: -18 degrees
+
+.TP
+\fB\-d\fR, \fB\-\-date\fR=\f%Y-%m-%d\fP
+calculcate for specified date (eg. 2011\-12\-25)
+.TP
+\fB\-f\fR, \fB\-\-format\fR=\fIFORMAT\fP
+output format (eg. %H:%M:%S). For valid formatstrings look at \fBstrftime\fP(3).
+.TP
+\fB\-a\fR, \fB\-\-lat\fR=\fI\-90..90\fP
+geographical latitude in degrees
+.TP
+\fB\-o\fR, \fB\-\-lon\fR=\fI\-180..180\fP
+geographical longitude in degrees
+.TP
+\fB\-q\fR, \fB\-\-query\fR=\fINAME\fP
+query geonames.org for geographical position
+.TP
+\fB\-z\fR, \fB\-\-zone\fR=\fIINTEGER\fP
+use timezone for output. Defaults to system-wide timezone defined in \fI/etc/timezone\fP or in environment variable TZ.
+.TP
+\fB\-h\fR, \fB\-\-help\fR
+show this help
+.TP
+\fB\-v\fR, \fB\-\-version\fR
+show version
+
+.SH EXAMPLES
+.TP
+.B echo "~/bin/enable-lightning" | at $(sun set -q Frankfurt -t civil)
+enable lightning at sunset in Frankfurt
+
+.TP
+.B shutdown $(date -d "+10min $(src/sun noon --lat=50.55 --lon=-6.2)" +%H:%M)
+shutdown system 10 minutes after solar noon in Berlin
+
+.TP
+.B nvram-wakeup -s $(date -d "-10min $(sun rise -q Aachen)" +%s)
+start system 10 minutes before sunrise in Aachen
+
+
+.SH "SEE ALSO"
+.BR at (1)
+.BR cron (1)
+.BR nvram-wakeup (1)
+.SH AUTHOR
+Steffen Vogel <post@steffenvogel.de>
+.SH BUGS
+Please report bugs to: post@steffenvogel.de