Date and Time Specifiers

Specifier

Replaced by

Example

%a

Abbreviated weekday name *

Thu

%A

Full weekday name *

Thursday

%b

Abbreviated month name *

Aug

%B

Full month name *

August

%c

Date and time representation *

Thu Aug 23

%C

Year divided by 100 and truncated to integer (00-99)

20

%d

Day of the month, zero-padded (01-31)

23

%D

Short MM/DD/YY date, equivalent to %m/%d/%y

08/23/01

%e

Day of the month, space-padded ( 1-31)

23

%F

Short YYYY-MM-DD date, equivalent to %Y-%m-%d

2001-08-23

%g

Week-based year, last two digits (00-99)

1

%G

Week-based year

2001

%h

Abbreviated month name * (same as %b)

Aug

%H

Hour in 24h format (00-23)

14

%I

Hour in 12h format (01-12)

2

%j

Day of the year (001-366)

235

%m

Month as a decimal number (01-12)

8

%M

Minute (00-59)

55

%n

New-line character (‘n’)

%p

AM or PM designation

PM

%r

12-hour clock time *

02:55:02 pm

%R

24-hour HH:MM time, equivalent to %H:%M

14:55

%S

Second (00-61)

2

%t

Horizontal-tab character (‘t’)

%T

ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S

14:55:02

%u

ISO 8601 weekday as number with Monday as 1 (1-7)

4

%U

Week number with the first Sunday as the first day of week one (00-53)

33

%V

ISO 8601 week number (00-53)

34

%w

Weekday as a decimal number with Sunday as 0 (0-6)

4

%W

Week number with the first Monday as the first day of week one (00-53)

34

%x

Date representation *

08/23/01

%X

Time representation *

14:55:02

%y

Year, last two digits (00-99)

1

%Y

Year

2001

%z

ISO 8601 offset from UTC in timezone (1 minute=1, 1 hour=100)

100

%Z

Timezone name or abbreviation

CDT

%%

A % sign

%

Adopted from http://www.cplusplus.com/reference/ctime/strftime/.