Temporal

The following methods are available under the expr.dt attribute.

Expr.dt.base_utc_offset()	Base offset from UTC.
Expr.dt.cast_time_unit(time_unit)	Cast the underlying data to another time unit.
Expr.dt.replace_time_zone(time_zone, *[, ...])	Replace time zone for an expression of type Datetime.
Expr.dt.combine(time[, time_unit])	Create a naive Datetime from an existing Date/Datetime expression and a Time.
Expr.dt.date()	Extract date from date(time).
Expr.dt.datetime()	Return datetime.
Expr.dt.day()	Extract day from underlying Date representation.
Expr.dt.days()	Extract the days from a Duration type.
Expr.dt.dst_offset()	Additional offset currently in effect (typically due to daylight saving time).
Expr.dt.epoch([time_unit])	Get the time passed since the Unix EPOCH in the give time unit.
Expr.dt.hour()	Extract hour from underlying DateTime representation.
Expr.dt.hours()	Extract the hours from a Duration type.
Expr.dt.is_leap_year()	Determine whether the year of the underlying date is a leap year.
Expr.dt.iso_year()	Extract ISO year from underlying Date representation.
Expr.dt.microsecond()	Extract microseconds from underlying DateTime representation.
Expr.dt.microseconds()	Extract the microseconds from a Duration type.
Expr.dt.millisecond()	Extract milliseconds from underlying DateTime representation.
Expr.dt.milliseconds()	Extract the milliseconds from a Duration type.
Expr.dt.minute()	Extract minutes from underlying DateTime representation.
Expr.dt.minutes()	Extract the minutes from a Duration type.
Expr.dt.month()	Extract month from underlying Date representation.
Expr.dt.month_start()	Roll backward to the first day of the month.
Expr.dt.month_end()	Roll forward to the last day of the month.
Expr.dt.nanosecond()	Extract nanoseconds from underlying DateTime representation.
Expr.dt.nanoseconds()	Extract the nanoseconds from a Duration type.
Expr.dt.offset_by(by)	Offset this date by a relative time offset.
Expr.dt.ordinal_day()	Extract ordinal day from underlying Date representation.
Expr.dt.quarter()	Extract quarter from underlying Date representation.
Expr.dt.round(every[, offset])	Divide the date/datetime range into buckets.
Expr.dt.second(*[, fractional])	Extract seconds from underlying DateTime representation.
Expr.dt.seconds()	Extract the seconds from a Duration type.
Expr.dt.strftime(format)	Convert a Date/Time/Datetime column into a Utf8 column with the given format.
Expr.dt.time()	Extract time.
Expr.dt.timestamp([time_unit])	Return a timestamp in the given time unit.
Expr.dt.to_string(format)	Convert a Date/Time/Datetime column into a Utf8 column with the given format.
Expr.dt.truncate(every[, offset, use_earliest])	Divide the date/datetime range into buckets.
Expr.dt.week()	Extract the week from the underlying Date representation.
Expr.dt.weekday()	Extract the week day from the underlying Date representation.
Expr.dt.with_time_unit(time_unit)	Set time unit of an expression of dtype Datetime or Duration.
Expr.dt.convert_time_zone(time_zone)	Convert to given time zone for an expression of type Datetime.
Expr.dt.year()	Extract year from underlying Date representation.