英语中星期几用英文怎么说

在英语中，星期几用英语怎么说呢？

星期一是Monday，星期二是Tuesday，星期三是Wednesday，星期四是Thursday，星期五是Friday，星期六是Saturday，星期日是Sunday。

这些词的来源是源自古英语，受到拉丁语和德语的影响。Monday来自拉丁语的"dies Lunae"，意思是月亮之日；Tuesday来自拉丁语的"dies Martis"，意思是战神玛尔斯之日；Wednesday来自拉丁语的"dies Mercurii"，意思是商神梅尔库里斯之日；Thursday来自拉丁语的"dies Jovis"，意思是最高神朱庇特之日；Friday来自拉丁语的"dies Veneris"，意思是爱神维纳斯之日；Saturday来自拉丁语的"dies Saturni"，意思是农业之神萨图尔之日；Sunday来自拉丁语的"dies Sops"，意思是太阳之日。

下面是一些英文例句及其中文翻译：

I have a meeting on Monday. (我星期一有一个会议。)
I'm going to the gym on Tuesday. (我星期二要去健身房。)
I'm having dinner with my friends on Wednesday. (我星期三和朋友们一起吃晚餐。)
I have a doctor's appointment on Thursday. (我星期四有看医生的预约。)
I'm going to a concert on Friday. (我星期五要去听音乐会。)
I'm going hiking on Saturday. (我星期六要去远足。)
I'm going to church on Sunday. (我星期日要去教堂。)