The Astronomical Almanac application calculates the exact position of objects in the solar system, their sunrise and sunset for a given time and place. The time of the onset of the lunar phases and lunar days is also calculated.
To improve the accuracy of determining the location of the observer, geographical maps are used.
Calculations are made in the date range from 3000 BC. until 3000 A.D.
The program uses the Steve Moshier algorithms.
Designed for astronomical observations.
The following parameters are calculated for celestial objects:
 - UT, TDT, Julian Day
 - Sideral time, Delta T
 - Longitude
 - Latitude
 - Radius vector
 - Geocentric distance
 - Elongation from the Sun
 Visible geocentric:
 - Longitude
 - Zodiac
 - Right ascension
 - declination
 - constellation
 - J2000, Right Climb
 - J2000 Declination
 - B1950, right ascension
 - B1950 Declination
 - height
 - Azimuth
 - Right ascension
 - declination
 - Equatorial diameter
 - Visible value
 - phase
 - time of light
 - nutation
 - Aberration
 - Parallax
 - sunrise
 - Meridian
 - sunset
 - Visible time

What’s New

Version 2.42 (31)

Minor bug fixes

Ratings and Reviews

1.0 out of 5
1 Rating

1 Rating

jdmuys too ,

neglects the UI guidelines

Good idea for a program. Too bad it is so sloppily design. It doesn't respect the platform. For example, the "About" part is not in the menu as it should be. There is no Edit menu, meaning you can't copy the displayed text. No file menu either: you are not expected to want to export anything. I will not even mention the "Menu" string in the window, which is what? a menu? with a single item? Why not a button then? In short, the user experience is a disaster.

App Privacy

The developer, Igor Brovin, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

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Igor Brovin
4.2 MB

OS X 10.10 or later, 64-bit processor


English, French, German, Russian, Spanish, Ukrainian

Age Rating
Unrestricted Web Access


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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