Moondark for January: Deep Night and Moon Phase Calendars for 2000 at Tuckahoe State Park, Maryland
 
Plan your dark-sky gazing around the deep nights shown on this page. 

The table at right shows the hours of "deep night" -- without the Moon in the sky -- for the night beginning on the date indicated. Please note: * Friday evenings, [  ] = New moon, ) = First Quarter, (--) = Full Moon and ( = Last Quarter. Circumstances calculated for Tuckahoe State Park, MD at 38° 59' N and 75° 56' W.

At Tuckahoe: Latest sunrise, 6 Jan; Latest beginning of twilight, 9 Jan; Earliest sunrise 14 Jun; Earliest beginning of twilight 17 Jun; Shortest nights: 14-26 Jun at 5.1 h; Latest end of twilight, 24 Jun; Latest sunset, 27 Jun; Earliest end of twilight, 3 Dec; Earliest sunset, 6 Dec; Longest nights, 14-27 Dec at 11.4 h; Longest deep nights, 23-26 Dec at 11.4 h. And remember to add one hour for daylight times between 2 Apr and 29 Oct 2000.

Everywhere on Earth: Perihelion, 3 Jan; Equinox, 20 Mar; Solstice, 21 Jun; Aphelion, 4 Jul; Equinox, 22 Sep, Solstice, 21 Dec 2000. (All times in UT.)

Here are the moon phases for every day of the year calculated for O h UT on the date shown. Tilt shows the position angle of the bright limb, and the size depicts the varying distance from Earth, slightly exaggerated for clarity. Red color indicates an eclipse. Click on this graphic for a full size rendering suitable for printing in landscape mode.

Moondark is written by Doug Miller and published on the web, in the Delmarva Star Gazers' Star Gazer News and in the Delaware Astronomical Society's FOCUS. Please address comments and suggestions to dmiller@udel.edu. This document was last revised on 19 December '99. All text and images copyright © 1999 Douglas C. Miller, All Rights Reserved. This material may not be reproduced in any form without prior permission.