(now dated) Having the same.
The two main players were roughly of an age.
(idiomatic, now dated) Indicates a more or less habitual activity during the given part of the day.
Of an evening, I like to play chess. i.e., On some evenings, I like to play chess.
Of a morning, they would work in their garden. i.e., They generally worked in their garden in the morning.
Speak no ill of a friend, nor even of an enemy. Pittacus of Mytilene
Often an entire city has suffered because of an evil man. Hesiod
It is the mark of an educated mind to be able to entertain a thought without accepting it. Aristotle
The slimming of an elephant and the losses of a rich man are not noticeable. Ethiopian Proverb
The son of an old man is an orphan, and his wife is a widow. Lebanese Proverb
Ask advice of an ignorant man and he will think you are his enemy. Arabic Proverb