add_hour
Adds an hour to a date. The value must be of the form {{Y,M,D},{H,I,S}} .
add_day
Adds a day to a date. The value must be of the form {{Y,M,D},{H,I,S}} .
add_month
Adds a month to a date. The value must be of the form {{Y,M,D},{H,I,S}} .
add_week
Adds a week to a date. The value must be of the form {{Y,M,D},{H,I,S}} .
add_year
Adds a year to a date. The value must be of the form {{Y,M,D},{H,I,S}} .
date
Formats a date or datetime according to the format specified in the argument.
date_range
Show a date range.
datediff
Calculate the difference between two dates, returning a single part of that difference.
eq_day
Tests if the value is a date and equal to the argument. The value and the argument must be a tuple of the format {Y,M,D} or {{Y,M,D},{H,I,S}} .
in_future
Tests if a date is in the future.
in_past
Tests if a date is in the past.
ne_day
Tests if two dates are not equal.
sub_hour
Subtracts an hour from a date. The value must be of the form {{Y,M,D},{H,I,S}} .
sub_day
Subtracts a day from a date. The value must be of the form {{Y,M,D},{H,I,S}} .
sub_month
Subtracts a month from a date. The value must be of the form {{Y,M,D},{H,I,S}} .
sub_week
Subtracts a week from a date. The value must be of the form {{Y,M,D},{H,I,S}} .
sub_year
Subtracts a year from a date. The value must be of the form {{Y,M,D},{H,I,S}} .
timesince
Show a readable version of a date/time difference.
utc
Translates a datetime from local time to UTC.

Booleans Filters Encryption