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Sunday is understood to be a particular place in the week or in calendar time, hence on. · on the next sunday, something else happened. · sunday the 7th is obviously the next sunday after thursday the 4th. I would most probably use on sunday or this sunday to … Sunday evening and sunday … · when you say monday through friday, i expect to hear something about saturday and/or sunday. Mondays through … If it were the nearest sunday before the first thing happened, you would use … · of the two choices you present, the second - on the morning of sunday - is the better choice, but still not very common.