Date and time

What you learn in this lesson

• choose the right type for a day, a time of day, a point in time and a duration: DateOnly, TimeOnly, DateTimeOffset, TimeSpan
• understand why DateTime without a time zone is ambiguous
• convert points in time into the Europe/Berlin time zone and handle the clock change correctly
• get the current time through TimeProvider and fix it in tests with FakeTimeProvider
• add notes with a timestamp and appointments with a start and a duration to the Kladde