Date Functions

Name	Category		Arguments	Result	Description	Example
Make_Date	Date Functions		NUMBER year, NUMBER month, NUMBER day, [NUMBER hour], [NUMBER minute], [NUMBER second]	DATE	Creates a date from given year, month, day, hour, minute, and second.	Make_Date(2009, 3, 12) will create a date with value 12th March 2009. If time is not specified, then midnight time is taken as default.
Date	Date Functions		TEXT format, [DATEFIELD/TIMESTAMP t]	TEXT Returns a text formatted according to the given format text using the given integer Timestamp or Database Date Field. Timestamp is optional and defaults to the value of current time.	The following characters are recognized in the format parameter text. (see below:)	date(“d-M-Y”, now()) returns 16-Sep-2015

Date Description:

Format Character	Description	Example returned values
Day
d	Day of the month, 2 digits with leading zeros	01 to 31
D	A textual representation of a day, three letters	Mon through Sun
j	Day of the month without leading zeros	1 to 31
l (lowercase ‘L’)	A full textual representation of the day of the week	Sunday through Saturday
N	ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0)	1 (for Monday) through 7 (for Sunday)
S	English ordinal suffix for the day of the month, 2 characters	st, nd, rd orth. Works well with j
w	Numeric representation of the day of the week	0 (for Sunday) through 6 (for Saturday)
z	The day of the year (starting from 0)	0 through 365
Week
W	ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0)	Example: 42 (the 42nd week in the year)
Month
F	A full textual representation of a month, such as January or March	January through December
m	Numeric representation of a month, with leading zeros	01 through 12
M	A short textual representation of a month, three letters	Jan through Dec
n	Numeric representation of a month, without leading zeros	1 through 12
t	Number of days in the given month	28 through 31
Year
L	Whether it’s a leap year	1 if it is a leap year, 0 otherwise.
o	ISO-8601 year number. This has the same value as Y, except that if the ISO week number(W) belongs to the previous or next year, that year is used instead. (added in PHP 5.1.0)	Examples: 1999 or 2003
Y	A full numeric representation of a year, 4 digits	Examples: 1999 or 2003
y	A two digit representation of a year	Examples: 99 or 03
Time
a	Lowercase Ante meridiem and Post meridiem	am or pm
A	Uppercase Ante meridiem and Post meridiem	AM or PM
B	Swatch Internet time	000 through 999
g	12-hour format of an hour without leading zeros	1 through 12
G	24-hour format of an hour without leading zeros	0 through 23
h	12-hour format of an hour with leading zeros	01 through 12
H	24-hour format of an hour with leading zeros	00 through 23
i	Minutes with leading zeros	00 to 59
s	Seconds, with leading zeros	00 through 59
u	Microseconds (added in PHP 5.2.2). Note that date() will always generate000000 since it takes an integerparameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds.	Example: 654321
Timezone
e	Timezone identifier (added in PHP 5.1.0)	Examples: UTC, GMT, Atlantic/Azores
I (capital i)	Whether or not the date is in daylight saving time	1 if Daylight Saving Time, 0 otherwise.
O	Difference to Greenwich time (GMT) in hours	Example: +0200
P	Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3)	Example: +02:00
T	Timezone abbreviation	Examples: EST, MDT …
Z	Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive.	-43200 through 50400
Full Date/Time
c	ISO 8601 date	2004-02-12T15:19:21+00:00
r	RFC 2822 formatted date	Example: Thu, 21 Dec 2000 16:01:07 +0200
U	Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)

Name	Category	Arguments	Result	Description	Example
Now	Date Functions		NUMBER	Returns a 10 digit current timestamp.	Now() will return 1442401200 for 16-Sep-2015 11:00AM
Date_Add	Date Functions	DATEFIELD/TIMESTAMP t, NUMBER n, [TEXT t]	NUMBER	Performs arithmetic operation on date by adding years, months, weeks, days, hours, minutes, and seconds. (Please see below:)	Date_Add(input_date, 2, “d”) will add two days to input date Date_Add(Make_Date(2015, 2, 12), 10, “d”)) will return 22nd of February 2015

Date_Add Description:

Format Character	Description	Example returned values
d	days	Date_Add(input_date, 2, “d”) will add two days to input date
m	months	Date_Add(input_date, -1, “m”) will substract one month from input date
y	years	Date_Add(input_date, 1, “y”) will add one year to input date
w	weeks	Date_Add(input_date, 3, “w”) will add three weeks to input date
h	hours	Date_Add(input_date, 12, “h”) will add twelve hours to input date
min	minutes	Date_Add(input_date, -30, “min”) will substract thrity minutes from input date
s	seconds	Date_Add(input_date, 120, “h”) will add one hundred twenty seconds to input date

Name	Category	Arguments	Result	Description	Example
DateTime_Diff	Date Functions	DATEFIELD/TIMESTAMP start, DATEFIELD/TIMESTAMP end	NUMBER	This function gives the to seconds between two dates.	DateTime_Diff([Start_Date], [End_Date]) will return total seconds between Start_Date and End_Date DateTime_Diff(Make_Date(2015, 2, 12), Make_Date(2015, 2, 22)) will return 864000
Add_Months	Date Functions	DATE d, NUMBER m	DATE	Adds m months to date d and returns the date. It preserves the day of the original date. If that day is not in the new date, then last day of that month is returned.	Add_Months([Sales_Date], 2) will return a date which is two months after Sales_Date field Add_Months(Make_Date(2015, 5, 12), 2) will 12th July 2015 as date
Add_Years	Date Functions	DATE d, NUMBER y	DATE	Adds y years to date d and returns the date. It preserves the day of the original date. If that day is not in the new month of the new date, then last day of that month is returned.	Adjust_Years([Sales_Date], 2) will return a date which is two years after Sales_Date field Adjust_Years(Make_Date(2014, 1, 14), 2) will 14th January 2016 as date
Day	Date Functions	DATE d	NUMBER	Returns the day of the month of the Date d.	Day(Make_Date(2015, 3, 28)) will 28
Day_Of_Week	Date Functions	DATE d	NUMBER	Returns the number of days by which the given date d follows the first day of the week (Sunday returns 0).	Examples: Day_Of_Week(Make_Date(2015, 9, 26)) returns 6 (Saturday) Day_Of_Week(Make_Date(2015, 1, 30)) returns 5 (Friday)
Day_Of_Year	Date Functions	DATE d	NUMBER	Returns the number of days by which the given date d follows the first day of the year (January 1 returns 0).	Day_Of_Year(Make_Date(2015, 9, 29)) returns 271 Day_Of_Year(Make_Date(2015, 12, 9)) returns 342
First_Day_Of_Month	Date Functions	DATE d	DATE	Returns the first day of the month in which the date falls.	First_Day_Of_Month(Make_Date(2015, 10, 13)) 1st October 2015 as Date
First_Day_Of_Year	Date Functions	DATE d	DATE	Returns the first day of the year in which the date falls.	First_Day_Of_Year(Make_Date(2015, 7, 17)) 1st July 2015 as Date
First_Day_Of_Week	Date Functions	DATE d	DATE	Returns the first day (Sunday) of the week in which the date falls.	First_Day_Of_Week(Make_Date(2015, 5, 9)) will return 3rd May 2015 as Date
Is_Leap_Day	Date Functions	DATE d	BOOLEAN	Returns true if Date d is 29th of February.	Is_Leap_Day(Make_Date(2015, 2, 29)) will return false Is_Leap_Day(Make_Date(2016, 2, 29)) will return true
Is_Leap_Year	Date Functions	DATE d	BOOLEAN	Returns true if the Date d falls in a leap year.	Is_Leap_Year(Make_Date(2015, 2, 29)) will return false Is_Leap_Year(Make_Date(2016, 2, 29)) will return true
Working_Days_In_A_Month	Date Functions	DATE d, NUMBER weekend_setting, TEXT holidays	NUMBER	Weekend Settings: 1: Saturday, Sunday 2: Sunday 3: Friday, Saturday Holidays: Comma separated timestamps	working_days_in_a_month(Make_Date(2016, 3, 1, 0, 0, 0), 1,””) return 23 working_days_in_a_month(Make_Date(2016, 3, 1, 0, 0, 0), 1, Make_Date(2016, 3, 23, 0, 0, 0)) return 22