Afternoon前用in还是on

Afternoon前用in还是on the afternoon of Monday前应该写in还是on Saturday afternoon前面用on还是in saturday afternoon前面用什么介词?on还是in? the afternoon next day的前面用on还是in friday afternoon.friday前面用in还是on? 在下午是用in the afternoon还是on the afternoon? 英语翻译介词是用on the tomorrow afternoon还是in the tomorrow afternoon 是on the sunday afternoon 还是in the sunday afternoon 是 in Sunday afternoon 还是 on Sunday afternoon 请问是in Friday afternoon还是on Friday afternoon? in the afternoon of Friday还是on Friday afternoon 是on yesterday afternoon 还是in 月份前用in还是on? Sunday morning前用in还是on? 英语语法：saturdayafternoon前用in还是on free time 前用ON还是IN? 英语语法：saturdaymorning前用on还是in