Date and Time Format Strings

Format specifier

Description

Examples

d

The day of the month, from 1 through 31.

6/1/2009 1:45:30 PM -> 1

6/15/2009 1:45:30 PM -> 15

dd

The day of the month, from 01 through 31.

6/1/2009 1:45:30 PM -> 01

6/15/2009 1:45:30 PM -> 15

ddd

The abbreviated name of the day of the week.

6/15/2009 1:45:30 PM -> Mon (en-US)

6/15/2009 1:45:30 PM -> Пн (ru-RU)

6/15/2009 1:45:30 PM -> lun. (fr-FR)

dddd

The full name of the day of the week.

6/15/2009 1:45:30 PM -> Monday (en-US)

6/15/2009 1:45:30 PM -> понедельник (ru-RU)

6/15/2009 1:45:30 PM -> lundi (fr-FR)

f

The tenths of a second in a date and time value.

6/15/2009 13:45:30.617 -> 6

6/15/2009 13:45:30.050 -> 0

ff

The hundredths of a second in a date and time value.

6/15/2009 13:45:30.617 -> 61

6/15/2009 13:45:30.005 -> 00

fff

The milliseconds in a date and time value.

6/15/2009 13:45:30.617 -> 617

6/15/2009 13:45:30.0005 -> 000

ffff

The ten thousandths of a second in a date and time value.

6/15/2009 13:45:30.6175 -> 6175

6/15/2009 13:45:30.00005 -> 0000

fffff

The hundred thousandths of a second in a date and time value.

6/15/2009 13:45:30.61754 -> 61754

6/15/2009 13:45:30.000005 -> 00000

ffffff

The millionths of a second in a date and time value.

6/15/2009 13:45:30.617542 -> 617542

6/15/2009 13:45:30.0000005 -> 000000

fffffff

The ten millionths of a second in a date and time value.

6/15/2009 13:45:30.6175425 -> 6175425

6/15/2009 13:45:30.0001150 -> 0001150

F

If non-zero, the tenths of a second in a date and time value.

6/15/2009 13:45:30.617 -> 6

6/15/2009 13:45:30.050 -> (no output)

FF

If non-zero, the hundredths of a second in a date and time value.

6/15/2009 13:45:30.617 -> 61

6/15/2009 13:45:30.005 -> (no output)

FFF

If non-zero, the milliseconds in a date and time value.

6/15/2009 13:45:30.617 -> 617

6/15/2009 13:45:30.0005 -> (no output)

FFFF

If non-zero, the ten thousandths of a second in a date and time value.

6/1/2009 13:45:30.5275 -> 5275

6/15/2009 13:45:30.00005 -> (no output)

FFFFF

If non-zero, the hundred thousandths of a second in a date and time value.

6/15/2009 13:45:30.61754 -> 61754

6/15/2009 13:45:30.000005 -> (no output)

FFFFFF

If non-zero, the millionths of a second in a date and time value.

6/15/2009 13:45:30.617542 -> 617542

6/15/2009 13:45:30.0000005 -> (no output)

FFFFFFF

If non-zero, the ten millionths of a second in a date and time value.

6/15/2009 13:45:30.6175425 -> 6175425

6/15/2009 13:45:30.0001150 -> 000115

g, gg

The period or era.

6/15/2009 1:45:30 PM -> A.D.

h

The hour, using a 12-hour clock from 1 to 12.

6/15/2009 1:45:30 AM -> 1

6/15/2009 1:45:30 PM -> 1

hh

The hour, using a 12-hour clock from 01 to 12.

6/15/2009 1:45:30 AM -> 01

6/15/2009 1:45:30 PM -> 01

H

The hour, using a 24-hour clock from 0 to 23.

6/15/2009 1:45:30 AM -> 1

6/15/2009 1:45:30 PM -> 13

HH

The hour, using a 24-hour clock from 00 to 23.

6/15/2009 1:45:30 AM -> 01

6/15/2009 1:45:30 PM -> 13

K

Time zone information.

With DateTime values:

6/15/2009 1:45:30 PM, Kind Unspecified ->

6/15/2009 1:45:30 PM, Kind Utc -> Z

6/15/2009 1:45:30 PM, Kind Local -> -07:00 (depends on local computer settings)

With DateTimeOffset values:

6/15/2009 1:45:30 AM -07:00 --> -07:00

6/15/2009 8:45:30 AM +00:00 --> +00:00

m

The minute, from 0 through 59.

6/15/2009 1:09:30 AM -> 9

6/15/2009 1:09:30 PM -> 9

mm

The minute, from 00 through 59.

6/15/2009 1:09:30 AM -> 09

6/15/2009 1:09:30 PM -> 09

M

The month, from 1 through 12.

6/15/2009 1:45:30 PM -> 6

MM

The month, from 01 through 12.

6/15/2009 1:45:30 PM -> 06

MMM

The abbreviated name of the month.

6/15/2009 1:45:30 PM -> Jun (en-US)

6/15/2009 1:45:30 PM -> juin (fr-FR)

6/15/2009 1:45:30 PM -> Jun (zu-ZA)

MMMM

The full name of the month.

6/15/2009 1:45:30 PM -> June (en-US)

6/15/2009 1:45:30 PM -> juni (da-DK)

6/15/2009 1:45:30 PM -> uJuni (zu-ZA)

s

The second, from 0 through 59.

6/15/2009 1:45:09 PM -> 9

ss

The second, from 00 through 59.

6/15/2009 1:45:09 PM -> 09

t

The first character of the AM/PM designator.

6/15/2009 1:45:30 PM -> P (en-US)

6/15/2009 1:45:30 PM -> 午 (ja-JP)

6/15/2009 1:45:30 PM -> (fr-FR)

tt

The AM/PM designator.

6/15/2009 1:45:30 PM -> PM (en-US)

6/15/2009 1:45:30 PM -> 午後 (ja-JP)

6/15/2009 1:45:30 PM -> (fr-FR)

y

The year, from 0 to 99.

1/1/0001 12:00:00 AM -> 1

1/1/0900 12:00:00 AM -> 0

1/1/1900 12:00:00 AM -> 0

6/15/2009 1:45:30 PM -> 9

yy

The year, from 00 to 99.

1/1/0001 12:00:00 AM -> 01

1/1/0900 12:00:00 AM -> 00

1/1/1900 12:00:00 AM -> 00

6/15/2009 1:45:30 PM -> 09

yyy

The year, with a minimum of three digits.

1/1/0001 12:00:00 AM -> 001

1/1/0900 12:00:00 AM -> 900

1/1/1900 12:00:00 AM -> 1900

6/15/2009 1:45:30 PM -> 2009

yyyy

The year as a four-digit number.

1/1/0001 12:00:00 AM -> 0001

1/1/0900 12:00:00 AM -> 0900

1/1/1900 12:00:00 AM -> 1900

6/15/2009 1:45:30 PM -> 2009

yyyyy

The year as a five-digit number.

1/1/0001 12:00:00 AM -> 00001

6/15/2009 1:45:30 PM -> 02009

z

Hours offset from UTC, with no leading zeros.

6/15/2009 1:45:30 PM -07:00 -> -7

zz

Hours offset from UTC, with a leading zero for a single-digit value.

6/15/2009 1:45:30 PM -07:00 -> -07

zzz

Hours and minutes offset from UTC.

6/15/2009 1:45:30 PM -07:00 -> -07:00

:

The time separator.

6/15/2009 1:45:30 PM -> : (en-US)

6/15/2009 1:45:30 PM -> . (it-IT)

6/15/2009 1:45:30 PM -> : (ja-JP)

/

The date separator.

6/15/2009 1:45:30 PM -> / (en-US)

6/15/2009 1:45:30 PM -> - (ar-DZ)

6/15/2009 1:45:30 PM -> . (tr-TR)

"string"

'string'

Literal string delimiter.

6/15/2009 1:45:30 PM ("arr:" h:m t) -> arr: 1:45 P

6/15/2009 1:45:30 PM ('arr:' h:m t) -> arr: 1:45 P

%

Defines the following character as a custom format specifier.

6/15/2009 1:45:30 PM (%h) -> 1

\

The escape character.

6/15/2009 1:45:30 PM (h \h) -> 1 h

Any other character

The character is copied to the result string unchanged.

6/15/2009 1:45:30 AM (arr hh:mm t) -> arr 01:45 A