Show additional calendars in the taskbar.Queries Internet servers to sync the correct daylight saving time. Adjust for daylight saving time automatically.Pick the correct time zone that matches your location. These become active only if you disable the 'set time automatically' option. If enabled, Windows will always set the right time zone. If set to on, Internet servers will be queried to sync the time of the system. Change date and time formats which define how time and date are displayed by Windows.Show additional calendars in the taskbar (default: none).Adjust for daylight saving time automatically (default: on).Toggle the automatic setting of the time zone by Windows.Toggle the automatic setting of the time by Windows.
It lists the following preferences (updated for Windows 10 version 1803)
Date & Time is the default settings page that gets opened when you open the Time & Language section of Settings.