Track your work hours in Google Calendar

TickTick is an all-in-one to do & task management app with seamless cloud synchronization across all your devices. Turn on Applets to automatically add new tasks, and integrate with other apps.
Google Calendar is a free time-management web application offered by Google. Turn on Applets to add the most important information, right into your calendar, automatically — and get custom notifications about the events that matter the most to you.