package datetime var ( DurationSecond ISODuration = NewISODuration(0, 0, 0, 0, 0, 0, 1) DurationMinute ISODuration = NewISODuration(0, 0, 0, 0, 0, 1, 0) DurationHour ISODuration = NewISODuration(0, 0, 0, 0, 1, 0, 0) DurationDay ISODuration = NewISODuration(0, 0, 0, 1, 0, 0, 0) DurationWeek ISODuration = NewISODuration(0, 0, 1, 0, 0, 0, 0) DurationMonth ISODuration = NewISODuration(0, 1, 0, 0, 0, 0, 0) DurationYear ISODuration = NewISODuration(1, 0, 0, 0, 0, 0, 0) )