locale Locales are specified either with a specifier string that follows the BCP-47 convention,
year The year
month The month
day The day of the month
hour The hour of the day
minute The minute 0..59second The second 0..59millisecond The millisecond 0..999unixtime Sets the time of this instance according to the given unix time.
timezone Time zone name as a string
calendar Same as "type" property
dateTime DateTime class of flutter
type Specifies the type/calendar of the date desired.