你有两个选择。
1.使用String(format:)

let date = Date()
let calendar = Calendar.current
let hour = calendar.component(.hour, from: date)
let minutes = calendar.component(.minute, from: date)
let tijd = String(format:"%d:%02d", hour, minutes) // change to "%02d:%02d" if you also want the hour to be 2-digits.

1.使用DateFormatter。

let date = Date()
let df = DateFormatter()
df.dateFormat = "H:mm" // Use "HH:mm" if you also what the hour to be 2-digits
let tijd = df.string(from: date)

SwiftUi的解决方案：

let date = Date()

Text(date, style: .time) // January 8, 2023
Text(date, style: .date) // 12:08 PM