| TA | Duckling.Locale, Duckling.Core |
| Tablespoon | Duckling.Quantity.Types |
| tdAMPM | Duckling.Time.Types |
| tdDayOfTheMonth | Duckling.Time.Types |
| tdDayOfTheWeek | Duckling.Time.Types |
| tdHour | Duckling.Time.Types |
| tdMinute | Duckling.Time.Types |
| tdMonth | Duckling.Time.Types |
| tdSecond | Duckling.Time.Types |
| tdYear | Duckling.Time.Types |
| TE | Duckling.Locale, Duckling.Core |
| Teaspoon | Duckling.Quantity.Types |
| Temperature | Duckling.Types, Duckling.Dimensions.Types, Duckling.Core |
| TemperatureData | |
| 1 (Type/Class) | Duckling.Temperature.Types |
| 2 (Data Constructor) | Duckling.Temperature.Types |
| TemperatureUnit | Duckling.Temperature.Types |
| TemperatureValue | Duckling.Temperature.Types |
| testContext | Duckling.Testing.Types |
| testOptions | Duckling.Testing.Types |
| TestPredicate | Duckling.Testing.Types |
| TH | Duckling.Locale, Duckling.Core |
| thaiPongal | Duckling.Time.Computed |
| THB | Duckling.AmountOfMoney.Types |
| thiruOnam | Duckling.Time.Computed |
| Time | Duckling.Types, Duckling.Dimensions.Types, Duckling.Core |
| timeBefore | Duckling.Time.Types |
| timeComputed | Duckling.Time.Helpers |
| TimeContext | |
| 1 (Type/Class) | Duckling.Time.Types |
| 2 (Data Constructor) | Duckling.Time.Types |
| timeCycle | Duckling.Time.Helpers |
| TimeData | |
| 1 (Type/Class) | Duckling.Time.Types |
| 2 (Data Constructor) | Duckling.Time.Types |
| timedata' | Duckling.Time.Types |
| TimeDatePredicate | Duckling.Time.Types |
| timeEnd | Duckling.Time.Types |
| TimeGrain | Duckling.Types, Duckling.Dimensions.Types, Duckling.Core |
| timeGrain | Duckling.Time.Types |
| timeIntersect | Duckling.Time.Types |
| timeInterval | Duckling.Time.Types |
| TimeIntervalsPredicate | Duckling.Time.Types |
| TimeIntervalType | Duckling.Time.Types |
| TimeObject | |
| 1 (Type/Class) | Duckling.Time.Types |
| 2 (Data Constructor) | Duckling.Time.Types |
| TimeOfDay | Duckling.Time.Types |
| timeOfDayAMPM | Duckling.Time.Helpers |
| timePlus | Duckling.Time.Types |
| timePlusEnd | Duckling.Time.Types |
| timePred | Duckling.Time.Types |
| timeRound | Duckling.Time.Types |
| timeSeqMap | Duckling.Time.Types |
| timeSequence | Duckling.Time.Types |
| timesOneQuarter | Duckling.Duration.Helpers |
| timeStartingAtTheEndOf | Duckling.Time.Types |
| timeStartsBeforeTheEndOf | Duckling.Time.Types |
| timesThreeQuarter | Duckling.Duration.Helpers |
| TimeValue | |
| 1 (Type/Class) | Duckling.Time.Types |
| 2 (Data Constructor) | Duckling.Time.Types |
| timeValue | Duckling.Time.Types |
| timezoneName | Duckling.Time.EN.Rules |
| timezoneOffset | Duckling.Time.Types |
| tishaBAv | Duckling.Time.Computed |
| today | Duckling.Time.Helpers |
| toJText | Duckling.Types, Duckling.Core |
| Token | |
| 1 (Type/Class) | Duckling.Types |
| 2 (Data Constructor) | Duckling.Types |
| token | Duckling.Types, Duckling.Core |
| toMidnight | Duckling.Time.Types |
| toName | Duckling.Dimensions.Types, Duckling.Core |
| toPosOrderedList | Duckling.Types.Stash |
| toPosOrderedListFrom | Duckling.Types.Stash |
| toRawUnit | Duckling.DistanceUnits.Types |
| toRFC3339 | Duckling.Time.Types |
| toSystemUnit | Duckling.DistanceUnits.Types |
| toTimeObjectM | Duckling.Time.Helpers |
| toUTC | Duckling.Resolve |
| TR | Duckling.Locale, Duckling.Core |
| TRY | Duckling.AmountOfMoney.Types |
| TT | Duckling.Region, Duckling.Locale, Duckling.Core |
| tt | Duckling.Time.Helpers |
| TTD | Duckling.AmountOfMoney.Types |
| tuBishvat | Duckling.Time.Computed |
| tuesday | Duckling.Time.EN.US.Rules |
| TW | Duckling.Region, Duckling.Locale, Duckling.Core |
| tzSeries | Duckling.Time.Types |