| check_tz | Check Time Zone |
| chk_time | Check Time |
| dtt | dtt Object |
| dtt_add_days | Add Units |
| dtt_add_hours | Add Units |
| dtt_add_minutes | Add Units |
| dtt_add_months | Add Units |
| dtt_add_seconds | Add Units |
| dtt_add_units | Add Units |
| dtt_add_years | Add Units |
| dtt_adjust_tz | Adjust Time Zone |
| dtt_adjust_tz.POSIXct | Adjust Time Zone |
| dtt_adjust_units | Adjust Units |
| dtt_aggregate | Aggregates |
| dtt_aggregate.Date | Aggregates |
| dtt_aggregate.hms | Aggregates |
| dtt_aggregate.POSIXct | Aggregates |
| dtt_complete | Complete |
| dtt_complete.Date | Complete |
| dtt_complete.hms | Complete |
| dtt_complete.POSIXct | Complete |
| dtt_completed | Completed |
| dtt_completed.Date | Completed |
| dtt_completed.hms | Completed |
| dtt_completed.POSIXct | Completed |
| dtt_date | Date |
| dtt_date.character | Date |
| dtt_date.Date | Date |
| dtt_date.double | Date |
| dtt_date.hms | Date |
| dtt_date.integer | Date |
| dtt_date.POSIXct | Date |
| dtt_date_time | Date Time |
| dtt_date_time.character | Date Time |
| dtt_date_time.Date | Date Time |
| dtt_date_time.double | Date Time |
| dtt_date_time.hms | Date Time |
| dtt_date_time.integer | Date Time |
| dtt_date_time.POSIXct | Date Time |
| dtt_day | Get and Set Day Values |
| dtt_day.Date | Get and Set Day Values |
| dtt_day.POSIXct | Get and Set Day Values |
| dtt_day<- | Get and Set Day Values |
| dtt_day<-.Date | Get and Set Day Values |
| dtt_day<-.POSIXct | Get and Set Day Values |
| dtt_days | Get and Set Day Values |
| dtt_days<- | Get and Set Day Values |
| dtt_dayte | Dayte |
| dtt_dayte.Date | Dayte |
| dtt_dayte.POSIXct | Dayte |
| dtt_dayte_time | Dayte Time |
| dtt_dayte_time.POSIXct | Dayte Time |
| dtt_daytt | Dayte Time |
| dtt_default_tz | Get, Set or Reset Default Time Zone |
| dtt_doy | Day of the Year |
| dtt_doy_to_date | Day of the Year to Date |
| dtt_feb29_to_28 | Feb 29 to Feb 28 |
| dtt_floor | Floor |
| dtt_floor.Date | Floor |
| dtt_floor.hms | Floor |
| dtt_floor.POSIXct | Floor |
| dtt_floored | Floored |
| dtt_floored.Date | Floored |
| dtt_floored.hms | Floored |
| dtt_floored.POSIXct | Floored |
| dtt_hour | Get and Set Hour Values |
| dtt_hour.Date | Get and Set Hour Values |
| dtt_hour.hms | Get and Set Hour Values |
| dtt_hour.POSIXct | Get and Set Hour Values |
| dtt_hour<- | Get and Set Hour Values |
| dtt_hour<-.hms | Get and Set Hour Values |
| dtt_hour<-.POSIXct | Get and Set Hour Values |
| dtt_hours | Get and Set Hour Values |
| dtt_hours<- | Get and Set Hour Values |
| dtt_is_date | Is Date |
| dtt_is_date_time | Is Date Time |
| dtt_is_dtt | Is Date or DateTime Object |
| dtt_minute | Get and Set Minute Values |
| dtt_minute.Date | Get and Set Minute Values |
| dtt_minute.hms | Get and Set Minute Values |
| dtt_minute.POSIXct | Get and Set Minute Values |
| dtt_minute<- | Get and Set Minute Values |
| dtt_minute<-.hms | Get and Set Minute Values |
| dtt_minute<-.POSIXct | Get and Set Minute Values |
| dtt_minutes | Get and Set Minute Values |
| dtt_minutes<- | Get and Set Minute Values |
| dtt_month | Get and Set Month Values |
| dtt_month.Date | Get and Set Month Values |
| dtt_month.POSIXct | Get and Set Month Values |
| dtt_month<- | Get and Set Month Values |
| dtt_month<-.Date | Get and Set Month Values |
| dtt_month<-.POSIXct | Get and Set Month Values |
| dtt_months | Get and Set Month Values |
| dtt_months<- | Get and Set Month Values |
| dtt_reset_default_tz | Get, Set or Reset Default Time Zone |
| dtt_reset_sys_tz | Get, Set or Reset Default Time Zone |
| dtt_season | Season |
| dtt_second | Get and Set Second Values |
| dtt_second.Date | Get and Set Second Values |
| dtt_second.hms | Get and Set Second Values |
| dtt_second.POSIXct | Get and Set Second Values |
| dtt_second<- | Get and Set Second Values |
| dtt_second<-.hms | Get and Set Second Values |
| dtt_second<-.POSIXct | Get and Set Second Values |
| dtt_seconds | Get and Set Second Values |
| dtt_seconds<- | Get and Set Second Values |
| dtt_seq | Sequence |
| dtt_seq.Date | Sequence |
| dtt_seq.hms | Sequence |
| dtt_seq.POSIXct | Sequence |
| dtt_set_day | Get and Set Day Values |
| dtt_set_default_tz | Get, Set or Reset Default Time Zone |
| dtt_set_hour | Get and Set Hour Values |
| dtt_set_minute | Get and Set Minute Values |
| dtt_set_month | Get and Set Month Values |
| dtt_set_second | Get and Set Second Values |
| dtt_set_sys_tz | Get, Set or Reset Default Time Zone |
| dtt_set_tz | Set Time Zone |
| dtt_set_tz.POSIXct | Set Time Zone |
| dtt_set_year | Get and Set Year Values |
| dtt_study_year | Study Year |
| dtt_subtract_days | Subtract Units |
| dtt_subtract_hours | Subtract Units |
| dtt_subtract_minutes | Subtract Units |
| dtt_subtract_months | Subtract Units |
| dtt_subtract_seconds | Subtract Units |
| dtt_subtract_units | Subtract Units |
| dtt_subtract_years | Subtract Units |
| dtt_sys_tz | Get, Set or Reset Default Time Zone |
| dtt_time | Time |
| dtt_time.character | Time |
| dtt_time.Date | Time |
| dtt_time.double | Time |
| dtt_time.hms | Time |
| dtt_time.integer | Time |
| dtt_time.POSIXct | Time |
| dtt_time.POSIXlt | Time |
| dtt_tz | Get, Set or Adjust Time Zone |
| dtt_tz.POSIXct | Get, Set or Adjust Time Zone |
| dtt_units | Get Units |
| dtt_units.Date | Get Units |
| dtt_units.hms | Get Units |
| dtt_units.POSIXct | Get Units |
| dtt_units_per_unit | Units per Unit |
| dtt_wrap | Wrap |
| dtt_year | Get and Set Year Values |
| dtt_year.Date | Get and Set Year Values |
| dtt_year.POSIXct | Get and Set Year Values |
| dtt_year<- | Get and Set Year Values |
| dtt_year<-.Date | Get and Set Year Values |
| dtt_year<-.POSIXct | Get and Set Year Values |
| dtt_years | Get and Set Year Values |
| dtt_years<- | Get and Set Year Values |
| is.Date | Is Date/Time |
| is.datetime | Is Date/Time |
| is.hms | Is Date/Time |
| is.POSIXct | Is Date/Time |
| NA_Date_ | Missing Date |
| NA_hms_ | Missing hms |
| NA_POSIXct_ | Missing POSIXct |
| vld_time | Validate Time |