Wakeup io is a new service with the innovative idea which let’s you set the call that will serve you as an alarm
No more need to depend on mobile alarms anymore which is very unreliable
You can schedule a call to your phone that too free ,and don’t worry here there are no restrictions/conditions about Owing a java or Android phone .
Just goto above site select you country input mobile number and set date and time
(You will see current date and time on the same page -act accordingly)
Don’t worry about Timezones ,this will work with your local time zone
To cancel the alarm just call the number mentioned during setting the alarm