manipulate
DATE
Basics.Int
addDays : Basics.Int -> Time.Posix -> Time.Posix
addHour : Time.Posix -> Time.Posix
addHours : Basics.Int -> Time.Posix -> Time.Posix
daysInMonth : Year -> Time.Month -> Basics.Int
isLeapYear : Year -> Basics.Bool
modifyHour : (Basics.Int -> Basics.Int -> Basics.Int) -> Time.Posix -> Time.Posix
modifyHours : Basics.Int -> Time.Posix -> Time.Posix
oneHourUnixtime : Basics.Int
substractDays : Basics.Int -> Time.Posix -> Time.Posix
substractHours : Basics.Int -> Time.Posix -> Time.Posix