My best hours at work are between 8am and 10:30am. This is usually because I arrive earlier than my workmates who are in my immediate vicinity and as a result

My best hours at work are between 8am and 10:30am. This is usually because I arrive earlier than my workmates who are in my immediate vicinity and as a result I have less interruptions. Second to that is 4-5pm for the same reason as the OP(know what I need to get complete before I leave the office).