TerraTime Pro World AlarmClock

Udekowski LLC

About this app

Start with a visually stunning virtual Earth in the palm of your hand: Real satellite photos drive a live simulation of day/night, clouds, seasons, sun, moon and more. Then, our unique clock and compass track the local movements and transitions of the sun and moon. It’s everything you need to stay connected to the world you live in.

And not just your local time: create a list of locations to show on the globe, and now this beauty is a world clock, too. Set alarms for anywhere, anytime, including sun and moon rise and set. See it all at a glance: not just what time it is in other places, but how those times relate to each other. It's the nature of time.

Lots of extras complete the picture: augmented reality, home screen widgets, live wallpapers, Wear OS watch faces. There’s no other app like TerraTime.


Great for travelers, astronomers, weather watchers, geographers, teachers, photographers, fishermen and other outdoor types - as well as just about any geek you can think of.

Superbly stylish, incredibly detailed and unbeatably useful - LifeOfAndroid.com
TerraTime is unique. It is bold and different... - AndroidApps Review
Possibly the most beautiful phone app I’ve seen. Highly recommended. - AndroidAstronomer.com
The overall beauty of the app is well, its beauty! - CoolSmartPhone.com
It's spot-on no matter where you look at it in the world - The Sun (UK newspaper)

Features:
• Easily shows any location, any date, any time
• Daylight clock and compass show sunrise & sunset; twilight & transit times; moon phase, rise & set
• Multiple clock/compass styles (currently Material, Classic, Wave, and Ouroboros)
• Independent time zone data: more up-to-date than what your phone has
• Globe and map depict real-time night-side shadow (on both Earth and Moon)
• Photorealistic simulations include clouds, city lights, sea ice, and more, generated from actual satellite imagery
• Globe and map are fully interactive, using touchscreen or device sensors
• AR View plots sun and moon paths in augmented reality (on supported devices)
• Clock and globe widgets for your home screen
• Live wallpapers for real-time map and globe
• Wear OS watch faces (4 styles), complications (10), and tiles (2)
• Alarms you can set for any time zone - or for sunrise, sunset, etc. at any location

Please, if you have any issues, email us! There's a link in the app's About screen.

Ratings and reviews

This has to be one of the best looking world clocks I've seen! Ability to add multiple locations and check on their daylight status along with near real-time simulation of the earth too! On my wishlist is the ability to add locations via coordinates (I have a friend who works in a remote area and I'd love to be able to check his sunlight too) as well as an option to display all 3 stages of twilight on the clock as increasingly darker shades. With those two, this clock will rock my vote!

WiNoJoE sez: love this running as live wallpaper on my phone, also use the 24hr dial on my Samsung Ultra smartwatch. Both are great and an easy 5-star review, although I wish the watch app would display all the time details like it does on the phone, when you tap on the globe. Edit: the real time cloud cover is working again, back up to a 5* rating!

This is a good, user friendly app. for world times. An improvement would be if it also gave the temperatures in the same cities. It would also be useful if a person could sign into their email address, in the app. This would make it possible to transfer cities saved, from an old phone, to a new phone.

What’s new

• Add gradual alarm volume increase
• Improve upcoming-alarm notification
• Update time zone rules (tzdata 2025bgtz)
• Fix crash when opening app by tap on Digital widget
• Fix bug: Alarm sound picker ignored
• Other bug fixes