The below are all variables that you can use.


CharacterDescriptionExample returned values
Day------
dDay of the month, 2 digits with leading zeros01 to 31
DA textual representation of a day, three lettersMon through Sun
jDay of the month without leading zeros1 to 31
l A full textual representation of the day of the weekSunday through Saturday
NISO-8601 numeric representation of the day of the week1 (for Monday) through 7 (for Sunday)
SEnglish ordinal suffix for the day of the month, 2 charactersst, nd, rd or th. Works well with j
wNumeric representation of the day of the week0 (for Sunday) through 6 (for Saturday)
zThe day of the year (starting from 0)0 through 365
Week------
WISO-8601 week number of year, weeks starting on MondayExample: 42 (the 42nd week in the year)
Month------
FA full textual representation of a month, such as January or MarchJanuary through December
mNumeric representation of a month, with leading zeros01 through 12
MA short textual representation of a month, three lettersJan through Dec
nNumeric representation of a month, without leading zeros1 through 12
tNumber of days in the given month28 through 31
Year------
LWhether it's a leap year1 if it is a leap year, 0 otherwise.
oISO-8601 week-numbering year. 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.Examples: 1999 or 2003
YA full numeric representation of a year, 4 digitsExamples: 1999 or 2003
yA two digit representation of a yearExamples: 99 or 03
Time------
aLowercase Ante meridiem and Post meridiemam or pm
AUppercase Ante meridiem and Post meridiemAM or PM
BSwatch Internet time000 through 999
g12-hour format of an hour without leading zeros1 through 12
G24-hour format of an hour without leading zeros0 through 23
h12-hour format of an hour with leading zeros01 through 12
H24-hour format of an hour with leading zeros00 through 23
iMinutes with leading zeros00 to 59
sSeconds with leading zeros00 through 59
uMicrosecondsExample: 654321
vMilliseconds. Same note applies as for u.Example: 654
Timezone------
eTimezone identifier.Examples: UTC, GMT, Atlantic/Azores
I (capital i)Whether or not the date is in daylight saving time1 if Daylight Saving Time, 0 otherwise.
ODifference to Greenwich time (GMT) without colon between hours and minutesExample: +0200
PDifference to Greenwich time (GMT) with colon between hours and minutesExample: +02:00
TTimezone abbreviationExamples: EST, MDT ...
ZTimezone 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------
cISO 8601 date2004-02-12T15:19:21+00:00
rFormatted dateExample: Thu, 21 Dec 2000 16:01:07 +0200
USeconds since the Unix Epoch (January 1 1970 00:00:00 GMT)Timestamp