Would you like to watch the evening change with me?

Meet at [specific place and meeting point] on [date] at [local time and time zone].

We will sit and notice the light changing. The plan is to finish around [time], and you can leave earlier.

Seating and access: [describe the seat, route and any steps].
If the weather changes: [indoor option or how we will cancel].

Let me know what would help you join comfortably. Reply to [your usual contact]. No equipment or experience needed.