这就是我一天的行程用英语怎么说

"This is my schedule for the day" 是表示一天行程的常用说法。"schedule" 是英语中常用的表示"日程安排"的词汇，而 "for the day" 则是表示"一天"的意思。

例句：

This is my schedule for the day. I have a meeting at 10am, lunch at noon, and a conference call at 3pm.
(这是我今天的日程安排。我上午 10 点有一个会议，中午 12 点吃午饭，下午 3 点有一个电话会议。)
Can you send me your schedule for the day? I want to make sure we don't have any conflicts.
(你能给我发一下你今天的日程安排吗？我想确保我们没有任何冲突。)