1.\" Copyright (c) 1989, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)pom.6 8.1 (Berkeley) 5/31/93 29.\" 30.Dd July 14, 2010 31.Dt POM 6 32.Os 33.Sh NAME 34.Nm pom 35.Nd display the phase of the moon 36.Sh SYNOPSIS 37.Nm 38.Op Fl p 39.Op Fl d Ar yyyy.mm.dd 40.Op Fl t Ar hh:mm:ss 41.Sh DESCRIPTION 42The 43.Nm 44utility displays the current phase of the moon. 45Useful for selecting software completion target dates and predicting 46managerial behavior. 47.Pp 48Use the 49.Fl p 50option to print just the phase as a percentage. 51.Pp 52Use the arguments 53.Fl d 54and 55.Fl t 56to specify a specific date and time for which the phase of the moon 57has to be calculated. 58If 59.Fl d 60but not 61.Fl t 62has been specified, it will calculate the phase of the moon on that 63day at midnight. 64.Sh SEE ALSO 65`Practical Astronomy with Your Calculator' by Duffett-Smith. 66