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프로그래밍/C# (WinForms)

DateTime 문자열 서식지정자

by eteo 2023. 2. 21.

 

 

주의 : 날짜 및 시간 형식은 Locale 설정에 따라 달라질 수 있다.

 

 

https://learn.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings
 

Custom date and time format strings

Learn to use custom date and time format strings to convert DateTime or DateTimeOffset values into text representations, or to parse strings for dates & times.

learn.microsoft.com

 

Format specifier Description Examples
"d" The day of the month, from 1 through 31. 2009-06-01T13:45:30 -> 1

2009-06-15T13:45:30 -> 15
"dd" The day of the month, from 01 through 31. 2009-06-01T13:45:30 -> 01

2009-06-15T13:45:30 -> 15
"ddd" The abbreviated name of the day of the week. 2009-06-15T13:45:30 -> Mon (en-US)

2009-06-15T13:45:30 -> Пн (ru-RU)

2009-06-15T13:45:30 -> lun. (fr-FR)
"dddd" The full name of the day of the week. 2009-06-15T13:45:30 -> Monday (en-US)

2009-06-15T13:45:30 -> понедельник (ru-RU)

2009-06-15T13:45:30 -> lundi (fr-FR)
"f" The tenths of a second in a date and time value.

2009-06-15T13:45:30.6170000 -> 6

2009-06-15T13:45:30.05 -> 0
"ff" The hundredths of a second in a date and time value. 2009-06-15T13:45:30.6170000 -> 61

2009-06-15T13:45:30.0050000 -> 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. 2009-06-15T13:45:30.6175000 -> 6175

2009-06-15T13:45:30.0000500 -> 0000
"fffff" The hundred thousandths of a second in a date and time value. 2009-06-15T13:45:30.6175400 -> 61754

6/15/2009 13:45:30.000005 -> 00000
"ffffff" The millionths of a second in a date and time value. 2009-06-15T13:45:30.6175420 -> 617542

2009-06-15T13:45:30.0000005 -> 000000
"fffffff" The ten millionths of a second in a date and time value. 2009-06-15T13:45:30.6175425 -> 6175425

2009-06-15T13:45:30.0001150 -> 0001150
"F" If non-zero, the tenths of a second in a date and time value. 2009-06-15T13:45:30.6170000 -> 6

2009-06-15T13:45:30.0500000 -> (no output)
"FF" If non-zero, the hundredths of a second in a date and time value. 2009-06-15T13:45:30.6170000 -> 61

2009-06-15T13:45:30.0050000 -> (no output)
"FFF" If non-zero, the milliseconds in a date and time value. 2009-06-15T13:45:30.6170000 -> 617

2009-06-15T13:45:30.0005000 -> (no output)
"FFFF" If non-zero, the ten thousandths of a second in a date and time value. 2009-06-15T13:45:30.5275000 -> 5275

2009-06-15T13:45:30.0000500 -> (no output)
"FFFFF" If non-zero, the hundred thousandths of a second in a date and time value. 2009-06-15T13:45:30.6175400 -> 61754

2009-06-15T13:45:30.0000050 -> (no output)
"FFFFFF" If non-zero, the millionths of a second in a date and time value. 2009-06-15T13:45:30.6175420 -> 617542

2009-06-15T13:45:30.0000005 -> (no output)
"FFFFFFF" If non-zero, the ten millionths of a second in a date and time value. 2009-06-15T13:45:30.6175425 -> 6175425

2009-06-15T13:45:30.0001150 -> 000115
"g", "gg" The period or era. 2009-06-15T13:45:30.6170000 -> A.D.
"h" The hour, using a 12-hour clock from 1 to 12. 2009-06-15T01:45:30 -> 1

2009-06-15T13:45:30 -> 1
"hh" The hour, using a 12-hour clock from 01 to 12. 2009-06-15T01:45:30 -> 01

2009-06-15T13:45:30 -> 01
"H" The hour, using a 24-hour clock from 0 to 23. 2009-06-15T01:45:30 -> 1

2009-06-15T13:45:30 -> 13
"HH" The hour, using a 24-hour clock from 00 to 23. 2009-06-15T01:45:30 -> 01

2009-06-15T13:45:30 -> 13
"K" Time zone information. With DateTime values:

2009-06-15T13:45:30, Kind Unspecified ->

2009-06-15T13:45:30, Kind Utc -> Z

2009-06-15T13:45:30, Kind Local -> -07:00 (depends on local computer settings)

With DateTimeOffset values:

2009-06-15T01:45:30-07:00 --> -07:00

2009-06-15T08:45:30+00:00 --> +00:00
"m" The minute, from 0 through 59. 2009-06-15T01:09:30 -> 9

2009-06-15T13:29:30 -> 29
"mm" The minute, from 00 through 59. 2009-06-15T01:09:30 -> 09

2009-06-15T01:45:30 -> 45
"M" The month, from 1 through 12. 2009-06-15T13:45:30 -> 6
"MM" The month, from 01 through 12. 2009-06-15T13:45:30 -> 06
"MMM" The abbreviated name of the month. 2009-06-15T13:45:30 -> Jun (en-US)

2009-06-15T13:45:30 -> juin (fr-FR)

2009-06-15T13:45:30 -> Jun (zu-ZA)
"MMMM" The full name of the month. 2009-06-15T13:45:30 -> June (en-US)

2009-06-15T13:45:30 -> juni (da-DK)

2009-06-15T13:45:30 -> uJuni (zu-ZA)
"s" The second, from 0 through 59. 2009-06-15T13:45:09 -> 9
"ss" The second, from 00 through 59. 2009-06-15T13:45:09 -> 09
"t" The first character of the AM/PM designator. 2009-06-15T13:45:30 -> P (en-US)

2009-06-15T13:45:30 -> 午 (ja-JP)

2009-06-15T13:45:30 -> (fr-FR)
"tt" The AM/PM designator. 2009-06-15T13:45:30 -> PM (en-US)

2009-06-15T13:45:30 -> 午後 (ja-JP)

2009-06-15T13:45:30 -> (fr-FR)
"y" The year, from 0 to 99.. 0001-01-01T00:00:00 -> 1

0900-01-01T00:00:00 -> 0

1900-01-01T00:00:00 -> 0

2009-06-15T13:45:30 -> 9

2019-06-15T13:45:30 -> 19
"yy" The year, from 00 to 99. 0001-01-01T00:00:00 -> 01

0900-01-01T00:00:00 -> 00

1900-01-01T00:00:00 -> 00

2019-06-15T13:45:30 -> 19
"yyy" The year, with a minimum of three digits. 0001-01-01T00:00:00 -> 001

0900-01-01T00:00:00 -> 900

1900-01-01T00:00:00 -> 1900

2009-06-15T13:45:30 -> 2009
"yyyy" The year as a four-digit number. 0001-01-01T00:00:00 -> 0001

0900-01-01T00:00:00 -> 0900

1900-01-01T00:00:00 -> 1900

2009-06-15T13:45:30 -> 2009
"yyyyy" The year as a five-digit number. 0001-01-01T00:00:00 -> 00001

2009-06-15T13:45:30 -> 02009
"z" Hours offset from UTC, with no leading zeros. 2009-06-15T13:45:30-07:00 -> -7
"zz" Hours offset from UTC, with a leading zero for a single-digit value. 2009-06-15T13:45:30-07:00 -> -07
"zzz" Hours and minutes offset from UTC. 2009-06-15T13:45:30-07:00 -> -07:00
":" The time separator. 2009-06-15T13:45:30 -> : (en-US)

2009-06-15T13:45:30 -> . (it-IT)

2009-06-15T13:45:30 -> : (ja-JP)
"/" The date separator. 2009-06-15T13:45:30 -> / (en-US)

2009-06-15T13:45:30 -> - (ar-DZ)

2009-06-15T13:45:30 -> . (tr-TR)
"string"

'string'
Literal string delimiter. 2009-06-15T13:45:30 ("arr:" h:m t) -> arr: 1:45 P

2009-06-15T13:45:30 ('arr:' h:m t) -> arr: 1:45 P
% Defines the following character as a custom format specifier. 2009-06-15T13:45:30 (%h) -> 1
\ The escape character. 2009-06-15T13:45:30 (h \h) -> 1 h
Any other character The character is copied to the result string unchanged. 2009-06-15T01:45:30 (arr hh:mm t) -> arr 01:45 A