How do you say how is your day going in Chinese?

There are several ways to say "How is your day going?" in Chinese, depending on the context and level of formality. Here are a few options:

Formal:

* 今天过得怎么样？ (jīntiān guò de zěnme yàng?) - Literally "How is today going?" This is a very general and polite way to ask.

* 您今天过得如何？ (nín jīntiān guò de rúhé?) - This is a more respectful and formal way to ask, using the honorific "您" (nín) for "you."

* 工作/学习怎么样？ (gōngzuò/xuéxí zěnme yàng?) - This literally means "How is work/study going?" and is appropriate to use in a professional setting.

Informal:

* 今天怎么样？ (jīntiān zěnme yàng?) - This is a more casual way to ask "How is today going?"

* 最近怎么样？ (zuìjìn zěnme yàng?) - This means "How are things going recently?" and is suitable for friends and family.

* 过得还好吗？ (guò de hái hǎo ma?) - This means "Are you doing okay?" and is a friendly way to ask.

More casual:

* 今天过得如何？ (jīntiān guò de rúhé?) - This is a more casual way to ask "How is today going?"

* 最近怎样？ (zuìjìn zěnyàng?) - This is a more informal way to ask "How are things going recently?"

You can choose the most appropriate phrase depending on who you are talking to and the situation.