Most Ramadan timetables display end of Suhoor (Fasting start) time that is 40 minutes to 1 hour before the actual time. To ensure that you end Suhoor (start Fasting) at CORRECT TIME in accordance with Qur’aan and Authentic Sunnah, please check my blog post to make your customized Ramadan timetable in minutes (no matter which part of the world you reside).