You could probably download an alarm app that does what you want.
(I'll take your five minute increments! My alarms always go off at weird times because I'm lazy and mine's like an odometer-spinny and I just send it sailing and whatever time I get close to what I want, I roll with.)
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Date: 2015-07-27 11:25 am (UTC)(I'll take your five minute increments! My alarms always go off at weird times because I'm lazy and mine's like an odometer-spinny and I just send it sailing and whatever time I get close to what I want, I roll with.)