Utils for working with date deltas.
addSeconds : Basics.Int -> Time.Posix -> Time.Posix
Add seconds to the time
addMinutes : Basics.Int -> Time.Posix -> Time.Posix
Add minutes to the time
addHours : Basics.Int -> Time.Posix -> Time.Posix
Add hours to the time
addDays : Basics.Int -> Time.Posix -> Time.Posix
Add days to the time
addMonths : Basics.Int -> Time.Zone -> Time.Posix -> Time.Posix
Add months to the time.
addYears : Basics.Int -> Time.Posix -> Time.Posix
Add years to the time
prevWeekdayFromTime : Time.Weekday -> Time.Zone -> Time.Posix -> Time.Posix
Given a time and a weekday, get the date of the previous weekday
nextWeekdayFromTime : Time.Weekday -> Time.Zone -> Time.Posix -> Time.Posix
Given a time and a weekday, get the date of the next weekday