Aviation Clock4.4 - Google Play

A large analog desk clock with 2 buttons and 3 scales - time, flight time and chronometer. A close replica of the famous Russian aircraft clock ACS, which has been used for both civil and military purposes since the 2WW.
The time is measured with 3 hands - hours, minutes and seconds. The timer for flight time has 12 hours and a minutes hand. The timer for intervals has 60 minutes and a seconds hand. The timers work separately or together. The face is black, hands are whitish. In night mode the hands get greenish like in the real clock.
When started time is synchronised with the system time of your device. Further you can set up whatever time you need, using the set-up button.
There is a help screen to get you accustomed with the clock's functions and buttons. The clock is free of unnecessary information and serves its purpose - to show current time and measure time intervals with accuracy of up to 1 sec.
Advertisements are present. If you wish you can buy the ad-free version of this clock using a switch on the dashboard.
There is a home screen widget. For the widget to work properly exclude the app from the Android battery management system. You can create more than one widgets.