iPhone Screenshots


The reviews are in! Here's a sample:

* iPhone Life: "a Time Genie"
* GolfBlogger.com: "a terrific app - amazingly useful..."
* PhotographyBlog.com: "a useful resource for landscapists and other “magic hour” photographers".

With Featured App status and numerous appearances in the Top 5 Utilities Apps, Skyclock has over 100,000 users all over the world.

Thank you Skyclock users everywhere!

Skyclock is the definitive Sun calculator for sunrise, sunset, and twilight times.

Pilots, photographers, hunters, construction managers, those who fish, camp, hike, and play and organize outdoor recreation use Skyclock

Twilight awareness is a gift of time. Skyclock shows you ‘usable twilight’, which extends your day. Twilight is the time between day and night when there is available light before sunrise, or after sunset. All of these times change every day, and depend on where you are.

Using an analog clock face (12 or 24 hour mode), and Skyclock’s patented ‘slice of pie’ display method, you can quickly see and understand all of these times, and optimize your outdoor activities to take advantage of natural lighting conditions.

With Skyclock you can plan on getting that evening round of golf in before dark. You can plan on finishing that landscaping job.

You can plan to be at the beach in time to watch a beautiful sunset, and then enjoy the colors that are best during twilight. You can plan your fishing time for when they’re biting, and your hiking time to get back to camp in time for the twilight s'mores. And you can do much, much more.

It’s convenience, planning, and safety. It’s making the most of your outdoor time, whether it’s for recreation, or occupation. Enjoy your day. Enjoy your night. Most of all, enjoy the twilight times in between like you never have before. Twilight awareness with Skyclock will extend your day.

For more information on twilight and Skyclock, visit www.skyclock.com, and www.facebook.com/skyclock.

What’s New

Version 2.2.4

Displays time till twilight and graphically displays zenith (time of highest sun position). This release includes support for iOS 11.

Ratings and Reviews

Clevewood ,

Great for travelers!

Using it to plan my exercise when I'm in different cities. Don't like jogging in unfamiliar places after dark.

lauwersp ,

Awesome idea... well done.

Skyclock is a great example of simplicity yielding great results. It’s a unique and great idea that’s well executed.


Best clock - ever

I use this app a lot. In 24 hours format. Knowing when it will be dark is important to me when I ride and I ride a lot. Sadly the app has not been re-compiled for the new phones and I started getting warnings that it will not work soon. :(. I would love to see this re-built for new OS.


Skyclock Company
2.3 MB
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2005-2017 Skyclock Company


  • Family Sharing

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

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