The Free Standing Maths Qualification (FSMQ), General Certificate of Education (GCE) and General Certificate of Secondary Education (GCSE) awarding bodies produce common timetables, covering all subjects, and these exam timetables are published and made public for both candidates and centres.
Each awarding body publishes examination timetables on their website:
Exam results day
GCSE Results Day – Thursday August 15th 2019
A Level Results Day – Thursday August 22nd 2019