Hourly Reminder / Alarm Clock. Set your android phone as text speech alarm. Application will pronounce current time on user specified hours. You can choice alarm types: beep, speech or custom wav/ogg files, no ads, open-source, GPLv3.
If you want to translate 'Hourly Reminder' to your language or just add new speak engine please read this:
If you have issues alarms running late, not exact on time read know Android Bugs: