of a morning
• on most mornings.
• "I prefer to look out the window of a morning and decide then whether a coat is needed"
• at some time in the mornings.
• "he warned there would be fireworks if he was deprived of a brew of a morning"
of an evening
• on most evenings.
• "he has a healthy diet consisting of cereal in the morning and meat and two veg of an evening"
• at some time in the evenings.
• "you can wear these dresses of an evening or during the day"
