Character

Format

Description

C or c

Currency

Currency format.

D or d

Decimal

Displays a string using decimal digits preceded by a minus sign if negative.

E or e

Exponential/scientific notation

Displays numbers in the form ±d.ddddddE±dd where d is a decimal digit.

F or f

Fixed point

Displays a series of decimal digits with a decimal point and additional digits.

G or g

General format

Displays either as a fixed-point or scientific notation based on the size of the number.

N or n

Number format

Similar to fixed point but uses a separator character (such as ,) for groups of digits.

P or p

Percentage

Multiplies the number by 100 and displays with a percent symbol.

R or r

Roundtrip

Formats a floating-point number so that it can be successfully converted back to its original value.

X or x

Hexadecimal

Displays an integral number using the base-16 number system.

Format

Data type

Value

Output

C

Double/Int

12345.6789

$12,345.68

E

Double/Int

12345.6789

1.234568E+004

E10

Double/Int

12345.6789

1.2345678900E+004

e4

Double/Int

12345.6789

1.2346e+004

F

Double

12345.6789

12345.68

F0

Double

12345.6789

123456

F6

Double

12345.6789

12345.678900

G

Double

12345.6789

12345.6789

G7

Double/Int

12345.6789

12345.68

G

Double

0.0000023

2.3E-6

G

Double

0.0023

0.0023

G2

Double/Int

1234

1.2E3

G

Double/Int

Math.PI

3.14159265358979

N

Double

12345.6789

12,345.68

N4

Double

123456789

123,456,789.0000

P

Double/Int

.126

12.60 %

r

Double

Math.PI

3.141592653589793

D

Int32

12345

12345

D8

Int32

12345

00012345

x

Int32

0x2c45e

2c45e

X

Int32

0x2c45e

2C45E

X8

Int32

0x2c45e

0002C45E

x

Int32

123456789

75bcd1

Format specifier

Example

Result

Description

d

{0,1:d}

9/29/2018

Displays the current day of the month, measured as a number between 1 and 31, inclusive. If the day is a single digit only (1-9), then it is displayed as a single digit.

dd

{0,1:dd}

29

Displays the current day of the month, measured as a number between 1 and 31, inclusive. If the day is a single digit only (1-9), it is formatted with a preceding 0 (01-09).

ddd

{0,1:ddd}

Fri

Displays the abbreviated name of the day for the specified DateTime.

dddd

{0,1:dddd }

Friday

Displays the full name of the day for the specified DateTime.

f

{0,1:f}

Friday, September 29, 2018 4:24 PM

Displays seconds fractions represented in one digit.

ff

{0,1:ff}

72

Displays seconds fractions represented in two digits.

fff

{0,1:fff}

858

Displays seconds fractions represented in three digits.

ffff

{0,1:ffff}

3393

Displays seconds fractions represented in four digits.

fffff

{0,1:fffff}

03841

Displays seconds fractions represented in five digits.

ffffff

{0,1:ffffff}

03841

Displays seconds fractions represented in six digits.

fffffff

{0,1:fffffff}

6233311

Displays seconds fractions represented in seven digits.

g

{0,1:g }

A.D.

Displays the era (A.D. for example) for the specified DateTime.

hh, hh

{0,1:hh }

04

Displays the hour for the specified DateTime in the range 1-12.

HH, HH

{0,1:HH }

16

Displays the hour for the specified DateTime in the range 0-23. The hour represents whole hours passed since midnight (displayed as 0). If the hour is a single digit (0-9), it is formatted with a preceding 0 (01-09).

m

{0,1:m}

September 29

Displays the minute for the specified DateTime in the range 0-59. The minute represents whole minutes passed since the last hour. If the minute is a single digit (0-9), it is displayed as a single digit.

mm, mm

{0,1:mm }

28

Displays the minute for the specified DateTime in the range 0-59. The minute represents whole minutes passed since the last hour. If the minute is a single digit (0-9), it is formatted with a preceding 0 (01-09).

M

{0,1:M}

September 29

Displays the month, measured as a number between 1 and 12, inclusive. If the month is a single digit (1-9), it is displayed as a single digit.

MM

{0,1:MM}

09

Displays the month, measured as a number between 1 and 12, inclusive. If the month is a single digit (1-9), it is formatted with a preceding 0 (01-09).

MMM

{0,1:MMM}

Sep

Displays the abbreviated name of the month for the specified DateTime.

MMMM

{0,1:MMMM}

September

Displays the full name of the month for the specified DateTime.

s

{0,1:s}

2018-09-29T16:30:26

Displays the seconds for the specified DateTime in the range 0-59. The second represents whole seconds passed since the last minute. If the second is a single digit (0-9), it is displayed as a single digit only.

ss, ss

{0,1:ss}

13

Displays the seconds for the specified DateTime in the range 0-59. The second represents whole seconds passed since the last minute. If the second is a single digit (0-9), it is formatted with a preceding 0 (01-09).

t

{0,1:t}

4:31 PM

Displays the first character of the A.M./P.M. designator for the specified DateTime.

tt

{0,1:tt}

PM

Displays the A.M./P.M. designator for the specified DateTime.

y

{0,1:y}

September, 2018

Displays the year for the specified DateTime as a maximum two-digit number. The first two digits of the year are omitted. If the year is a single digit (1-9), it is displayed as a single digit.

yy

{0,1:yy}

06

Displays the year for the specified DateTime as a maximum two-digit number. The first two digits of the year are omitted. If the year is a single digit (1-9), it is formatted with a preceding 0 (01-09).

yyyy

{0,1:yyyy}

2018

Displays the year for the specified DateTime, including the century. If the year is less than four digits in length, then preceding zeros are appended as necessary to make the displayed year four digits long.

zz

{0,1:zz}

-04

Displays the time zone offset for the system's current time zone in whole hours only. The offset is displayed with a leading or trailing sign (zero is displayed as "+00"), indicating hours ahead of Greenwich mean time (+) or hours behind Greenwich mean time (-). The range of values is –12 to +13. If the offset is a single digit (0-9), it is formatted with a preceding 0 (01-09) with the appropriate leading sign. The setting for the time zone is specified as +X or –X where X is the offset in hours from GMT. The displayed offset is affected by daylight savings time.

zzz, zzz

{0,1:zzz}

-04:00

Displays the time zone offset for the system's current time zone in hours and minutes. The offset is displayed with a leading or trailing sign (zero is displayed as "+00:00"), indicating hours ahead of Greenwich mean time (+) or hours behind Greenwich mean time (-). The range of values is –12:00 to +13:00. If the offset is a single digit (0-9), it is formatted with a preceding 0 (01-09) with the appropriate leading sign. The setting for the time zone is specified as +X or –X where X is the offset in hours from GMT. The displayed offset is affected by daylight savings time.

:

{0,1:hh:mm}

04:34

Time separator.

/

{0,1: MM/dd}

09/29

Date separator.