TDateTimeHelper
Create
CreateLocal
CreateUnixTime
CreateTotalSeconds
GetDate
GetTime
ToString
Format
StartOfYear
EndOfYear
StartOfMonth
EndOfMonth
StartOfWeek
EndOfWeek
StartOfDay
EndOfDay
AddYears
AddMonths
AddDays
AddHours
AddMinutes
AddSeconds
AddMilliseconds
CompareTo
Equals
IsSameDay
InRange
IsInLeapYear
IsToday
IsAM
IsPM
YearsBetween
MonthsBetween
WeeksBetween
DaysBetween
HoursBetween
MinutesBetween
SecondsBetween
MilliSecondsBetween
WithinPastYears
WithinPastMonths
WithinPastWeeks
WithinPastDays
WithinPastHours
WithinPastMinutes
WithinPastSeconds
WithinPastMilliSeconds
WithinYears
WithinMonths
WithinWeeks
WithinDays
WithinHours
WithinMinutes
WithinSeconds
WithinMilliseconds