on the evening还是in

on the evening和in the evening都对，in the evening 在晚上；指的是泛指的某一天晚上；on the evening 那天晚上；指的是具体的某一天晚上, 很准确的某一天晚上。

on the evening

on the evening短语：on the evening of在 ; 在…日的傍晚 ; 在…的晚上；EVENING ON THE ROADSTEAD海港之夜；on the evening of 4th日晚上。

on the evening例句：

Why do people go to big parks on the evening of the Lantern Festival?

为什么人们在元宵节晚上会去大型的公园里？

On the evening streets, our louche, loud city had closed up like a clam.

在夜晚的街道上，我们平日声名狼藉，喧嚣不已的城市变得沉默不语，寂静一片。

Friend: Do you have hidden cameras, too? I saw the films from one once on the evening news.

朋友：你们也装有暗藏的照相机吗？有一次，我在晚间新闻中见到过这种相机所拍成的影片。

If you are looking to save money on the catering than why not host a BBQ on the Evening Dresses.

想在婚礼上省钱，为何不穿晚礼服举办一场BBQ。

ON THE evening of July 23rd 1983, Air Canada Flight 143 ran out of fuel after a series of human errors.