Prepositions of time

at 5 o’clock, half past two, a quarter past six, ten minutes to seven, about eight o’clock
at sunrise, sunset, dawn, daybreak
in the morning, the afternoon, the evening, the daytime, January, February, March, etc. Winter, spring, summer, autumn, the year 1987, in 1993.
in June, October, December, 1978, 2002
in -÷åðåç in an hour, in two weeks, in a month
on Sunday, Monday, Tuesday, etc. on the seventh of November on what day do you have English classes?
By - äî By 6 o’clock, by Monday
But: This year, next week, last month How many times a week do you visit your parents?