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number ( date - date )

Returns the number of days between two dates.


date ( date + number )
date ( date - number )

Adds/subtracts a number of days to/from a date. Returns a date.


number ( date op date )

Comparison between two dates, returning either 0 (false) or 1 (true); op is one of the boolean operators below :

> Larger Than

< Smaller Than

>= Larger or Equal

<= Smaller or Equal

= Equal

<> Not Equal

Smaller, greater, equal applied to dates refer to earlier, later, same dates.


date addmonths ( date, number )

Returns a date whose value is the input date plus the number of months specified as the second argument.


date date ( number )

Creates a date from a number. If the number is negative or zero, the parameter is the number of days from the current day. Otherwise, the number must represent a date in the yymmdd, yyyymmdd or Julian format. If the number is between 1721426 and 3182030 (representing the dates 0001-01-01 and 4000-01-01 respectively), it will be interpreted as a Julian date. The hour, minute and second information of the output date is lost (set to 0). Use hour() , minute() , second() to specify/restore it.


number day ( date )
number dow ( date )

Returns respectively the day of the month / day of week (monday is 1, sunday is 7) part of a date.


number hour ( number )

Converts a number of hours into a number of days which can then be added to a date, e.g. to provide hour information to a date created by the date() function. Equivalent to dividing by 24.


number hour ( date )

Returns the hour part of a date.


 

number julday ( date )
number juldate ( date )

Returns a date as Julian day and Julian date, respectively.


number minute ( number )

Converts a number of minutes into a number of days which can then be added to a date, e.g. to provide minute information to a date created by the date() function. Equivalent to dividing by 1440.


number minute ( date )

Returns the minute part of a date.


number month ( date )

Returns the month part of a date.


date now ( )

Creates a date from the current day and time.


number number ( date,string )

Converts a date to a number according to the number date format specified as the second input argument. See the same entry in Functions and Operators on Numbers.  


number second ( number )

Converts a number of seconds into a number of days which can then be added to a date, e.g. to provide seconds information to a date created by the date() function. Equivalent to dividing by 86400.


number second ( date )

Returns the second part of a date.


string string ( date,string )

Converts a date to a string according to the string date format specified as the second input argument. See the same entry in String Functions.


number year ( date )

Returns the year part of a date.


number yymmdd ( date )

Returns a date as a 6 digit number - discards hours, minutes and seconds.


number yyyymmdd ( date )

Returns a date as an 8 digit number - discards hours, minutes and seconds.