Intl.TimeZone

A TimeZone represents a time zone from the IANA database.

type TimeZone

The TimeZone type holds a valid IANA time zone.

fromIANATimeZoneName

String -> Maybe.Maybe Intl.TimeZone.TimeZone

Checks the string as a valid time zone, and returns a TimeZone if it is.

-- Hawaii time
fromIANATimeZoneName "Pacific/Honolulu"

If a string is passed that is not a valid time zone, Nothing will be returned. The string is matched in a case-insensitive manner.

toIANATimeZoneName

Intl.TimeZone.TimeZone -> String

Gets the canonicalized string time zone name from a TimeZone.

toIANATimeZoneName TimeZone.utc == "UTC"

Predefined TimeZones

The UTC time zones has been pre-defined for convenience. For additional time zones, you will need to use an IANA time zone name.

utc

Intl.TimeZone.TimeZone

Coordinated Universal Time