The Photographer's Ephemeris

The Photographer's Ephemeris

10,000 - 50,000 downloads

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The Photographer's Ephemeris (TPE) helps you plan outdoor photography shoots.

TPE is a map-centric sun and moon calculator: see how the light will fall on the land, be it day or night, for almost anywhere on earth.

Ideal for landscape, nature, travel and outdoor photographers, TPE's map-based approach means you can search for any place name on the planet or position the map pin exactly where you want it.

Advanced features include: automatic time zone and elevation detection, correction for atmospheric refraction and height above the horizon. You can even determine when the sun or moon will be visible from behind nearby hills and mountains.

Key features:

- Time and direction of sunrise and sunset
- Time and direction of moonrise and moonset
- Phase of the moon and % illumination
- Times of civil, nautical and astronomical twilight
- Graphical display on a map (Standard, Satellite, Hybrid, Terrain)
- Rotate and tilt the map for the optimal view
- Compass-based auto-rotation of the map
- Movable map pins - drag and drop the pin exactly where you need it
- Search for locations by place name or enter coordinates directly
- Save any location you want - no fixed lists
- All features available in both portrait and landscape mode
- Does not require network connection for rise/set time, azimuths and sun/moon position

Advanced features:

- Automatic time zone detection for any location on earth
- Determines elevation above sea level
- View azimuth and altitude of sun/moon for any time of day/night
- Distance, bearing and elevation angle between any two points
- Import locations from KML files

Geek features:

- Find when the sun/moon will appear from behind a hill
- Compensation for atmospheric refraction
- Compensation for elevation above the horizon

- Maps and elevation-based calculations require a data connection to function
- Locations outside ±80° latitude (very far north and south) are unsupported
- Map auto-rotate requires a compatible device (with magnetometer and accelerometer)
- Requires that you have Google Play Services and Google Maps installed on your device. Most devices already have both installed. TPE will prompt you to install these if they are missing.

Please visit if you have any trouble installing Google Play Services.

TPE desktop version has been a favorite of photographers around the world for four years. Now you can carry it with you.

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Recently changed in this version

- Locations can be imported from KML files (Android 3.0+, download the file to your device first, then choose Locations/Import)
- Fix: geodetics information would not update after moving one of the map pins in certain circumstances
- Other bug fixes
- SDKs updated

This update requires Android 2.3.3 or higher.

If you have any problems, questions or comments, please contact us at

Comments and ratings for The Photographer's Ephemeris
  • (74 stars)

    by Rick S on 28/06/2014

    This app works great. It was able to accurately indicate exactly where the sun rises given a location. Valuable for any photographer dealing with natural light.

  • (74 stars)

    by Scott S. diVincenzo on 22/05/2014

    Dusty Old ICON

  • (74 stars)

    by kiran yadav on 16/05/2014

    This is really a very useful app to know angle of the sun & moon anywhere in world at any chosen date and time. Though it takes little efforts to learn to use it but worth all the money and time spent learning it.

  • (74 stars)

    by Louise Gourlay on 29/04/2014

    Used every time I am planning an outdoor shoot! Fantastic price for what it is and that's saying something as I normally hate paying for apps!

  • (74 stars)

    by Stuart Horner on 25/04/2014

    Great app

  • (74 stars)

    by Jari Luomanen on 19/04/2014

    I love this essential app.

  • (74 stars)

    by Rob Lopes on 10/04/2014

    Save time and energy finding spots!