Types that we need

[djcsdy]

• time: An abstract time of day with no timezone or location information.
• date: An abstract date with no timezone or location information.
• date-time: An abstract date and time with no timezone or location information.
• timestamp: A precise instant in time, in the Gregorian Calendar, UTC.
• offset-date-time?: A precise instant in time, in the Gregorian Calendar, with offset from UTC. Daylight savings rules are not handled.
• location-date-time?: A local date and time, with a specified location in the Olson Timezone database. Daylight savings rules are applied according to the Olson database.
• device-local-date-time?: A local date and time, in the local timezone of the device on which the code is running. Daylight saving rules of the timezone are not known, since they are not exposed by the JavaScript API, but are handled by the device.
• duration: A precise duration in hours, minutes, seconds. The duration always corresponds to a precise duration in seconds.
• calendar-duration: A flexible duration in years, months, days, hours, minutes, seconds. The length of the duration is flexible depending on when the duration starts. For example, a one month duration may be 28, 29, 30, or 31 days. A three day duration is usually 259200 seconds, but may be more or less if the duration crosses a daylight-savings boundary.
• timestamp-interval: A start and end timestamp.
• date-time-interval: A start and end date-time.
• date-interval: A start and end date.
• time-interval: A start and end time.