Clockz lets user to view time across difference cities, count days difference, and provide am estimate of best times to sleep or wake up according to sleep cycles. Users can use this app to keep track of different times in different cities, remember the important days in their lives, and have better and more scientific sleep schedules.
Future updates will include displaying weather data in different cities, giving users a notification when days count down reaches to 0, setting up alarm clock directly after checking on the best times to sleep or to wake up.