It's not Tasker, but it is free and for many Android users, this could be a great way to save battery life and keep quiet for routine events like meetings.
Silence for Android Integrates with Google Calendar, Adjusts Your Sound and Wireless Settings Automatically
Android: Silence is a great utility for automatically toggling your sound and wireless settings based on specific times of day, and the last time we mentioned it we praised its super-simple UI.
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