Overview System Requirements Reviews Related


DarkMatters is not just your average Moon phase displaying program, it is designed mainly to provide you with information about how much darkness you have within the day. DarkMatters unique ability to show charts of how the length of dark period change over the month makes it especially useful for planning not only stargazing trips and star parties, but it will also help those planning fishing and hunting trips! Features and Information: - Basic moon rise/set information. - Basic Sun rise/set/twilight information. - Moon phase and phase angle. - Dark period length (number of minutes of darkness during the day). - A chart of dark period length over 10 days. - A chart of dark period length over a month. - Jump from month to month, every 10 days, and from day to day. - Ability to select your twilight for maximum control. Features coming soon: - Ability to customize moon angle and time offset for calculations.


Additional information

Published by

Developed by

Approximate size

1.11 MB

Age rating

For ages 3 and up


News & weather


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)
العربية (المملكة العربية السعودية)

Additional terms

Terms of transaction

Report this product

Sign in to report this app to Microsoft