01-24-2011, 01:32 PM
There are some nice apps for Iphone (Focalware, Sunrise&Set) with similar usefulness - provide for sunrise/sunset, civil twilight based on your GPS location.. comes handy at times <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt='
' />
' />