| dateFmt | Data.Time.Format, Data.Time | 
| dateTimeFmt | Data.Time.Format, Data.Time | 
| Day | Data.Time.Calendar.OrdinalDate, Data.Time.Calendar, Data.Time | 
| dayAndTimeFormat | Data.Time.Format.ISO8601 | 
| dayFractionToTimeOfDay | Data.Time.LocalTime, Data.Time | 
| DayOfMonth | Data.Time.Calendar.MonthDay, Data.Time.Calendar.Julian, Data.Time.Calendar, Data.Time | 
| DayOfQuarter | Data.Time.Calendar.Quarter | 
| DayOfWeek | Data.Time.Calendar.WeekDate, Data.Time.Calendar, Data.Time | 
| dayOfWeek | Data.Time.Calendar.WeekDate, Data.Time.Calendar, Data.Time | 
| dayOfWeekDiff | Data.Time.Calendar, Data.Time | 
| DayOfYear | Data.Time.Calendar.OrdinalDate, Data.Time.Calendar.MonthDay, Data.Time.Calendar.Julian | 
| dayOfYearToMonthAndDay | Data.Time.Calendar.MonthDay | 
| DayPeriod | Data.Time.Calendar, Data.Time | 
| dayPeriod | Data.Time.Calendar, Data.Time | 
| dayQuarter | Data.Time.Calendar.Quarter | 
| daysAndTimeOfDayToTime | Data.Time.LocalTime, Data.Time | 
| December | Data.Time.Calendar.MonthDay, Data.Time.Calendar.Julian, Data.Time.Calendar, Data.Time | 
| defaultTimeLocale | Data.Time.Format, Data.Time | 
| diffAbsoluteTime | Data.Time.Clock.TAI | 
| diffDays | Data.Time.Calendar, Data.Time | 
| diffGregorianDurationClip | Data.Time.Calendar, Data.Time | 
| diffGregorianDurationRollOver | Data.Time.Calendar, Data.Time | 
| diffJulianDurationClip | Data.Time.Calendar.Julian | 
| diffJulianDurationRollOver | Data.Time.Calendar.Julian | 
| diffLocalTime | Data.Time.LocalTime, Data.Time | 
| diffMonths | Data.Time.Calendar.Month | 
| diffQuarters | Data.Time.Calendar.Quarter | 
| DiffTime | Data.Time.Clock, Data.Time | 
| diffTimeToPicoseconds | Data.Time.Clock, Data.Time | 
| diffUTCTime | Data.Time.Clock, Data.Time | 
| durationDaysFormat | Data.Time.Format.ISO8601 | 
| durationParseTimeSpecifier | Data.Time.Format.Internal | 
| durationTimeFormat | Data.Time.Format.ISO8601 |