DateFormatter date(from:) returns nil for date 2026-03-29 in Atlantic/Azores timezone

When using DateFormatter with the Atlantic/Azores timezone, calling date(from: formattedString) for the date 2026-03-29 returns nil unexpectedly.

codes：

    let dateFormatter = DateFormatter()
    dateFormatter.dateFormat = "yyyyMMdd" // 年月日格式
    dateFormatter.timeZone = TimeZone(identifier: "Atlantic/Azores")
    dateFormatter.locale = Locale(identifier: "en_US_POSIX")

    var now = Date()
    now -= 60 * 60 * 13
    let formattedString = dateFormatter.string(from: now)
    let dateWithTimeZone = dateFormatter.date(from: formattedString)
    print(formattedString) //20260329

    print(dateWithTimeZone) // nil