Apache Pig - Date-time Functions

Apache Pig provides the following Date and Time functions −

S.N.	Functions & Description
1	ToDate(milliseconds) This function returns a date-time object according to the given parameters. The other alternative for this function are ToDate(iosstring), ToDate(userstring, format), ToDate(userstring, format, timezone)
2	CurrentTime() returns the date-time object of the current time.
3	GetDay(datetime) Returns the day of a month from the date-time object.
4	GetHour(datetime) Returns the hour of a day from the date-time object.
5	GetMilliSecond(datetime) Returns the millisecond of a second from the date-time object.
6	GetMinute(datetime) Returns the minute of an hour from the date-time object.
7	GetMonth(datetime) Returns the month of a year from the date-time object.
8	GetSecond(datetime) Returns the second of a minute from the date-time object.
9	GetWeek(datetime) Returns the week of a year from the date-time object.
10	GetWeekYear(datetime) Returns the week year from the date-time object.
11	GetYear(datetime) Returns the year from the date-time object.
12	AddDuration(datetime, duration) Returns the result of a date-time object along with the duration object.
13	SubtractDuration(datetime, duration) Subtracts the Duration object from the Date-Time object and returns the result.
14	DaysBetween(datetime1, datetime2) Returns the number of days between the two date-time objects.
15	HoursBetween(datetime1, datetime2) Returns the number of hours between two date-time objects.
16	MilliSecondsBetween(datetime1, datetime2) Returns the number of milliseconds between two date-time objects.
17	MinutesBetween(datetime1, datetime2) Returns the number of minutes between two date-time objects.
18	MonthsBetween(datetime1, datetime2) Returns the number of months between two date-time objects.
19	SecondsBetween(datetime1, datetime2) Returns the number of seconds between two date-time objects.
20	WeeksBetween(datetime1, datetime2) Returns the number of weeks between two date-time objects.
21	YearsBetween(datetime1, datetime2) Returns the number of years between two date-time objects.