C# DateTime Formatting

C# Offers a wide variety of formatting date times using the ToString method. Below you will see the various options you can use and the results.


FormatResult
DateTime.Now.ToString("MM/dd/yyyy")05/29/2015
DateTime.Now.ToString("dddd, dd MMMM yyyy")Friday, 29 May 2015
DateTime.Now.ToString("dddd, dd MMMM yyyy")Friday, 29 May 2015 05:50
DateTime.Now.ToString("dddd, dd MMMM yyyy")Friday, 29 May 2015 05:50 AM
DateTime.Now.ToString("dddd, dd MMMM yyyy")Friday, 29 May 2015 5:50
DateTime.Now.ToString("dddd, dd MMMM yyyy")Friday, 29 May 2015 5:50 AM
DateTime.Now.ToString("dddd, dd MMMM yyyy HH:mm:ss")Friday, 29 May 2015 05:50:06
DateTime.Now.ToString("MM/dd/yyyy HH:mm")05/29/2015 05:50
DateTime.Now.ToString("MM/dd/yyyy hh:mm tt")05/29/2015 05:50 AM
DateTime.Now.ToString("MM/dd/yyyy H:mm")05/29/2015 5:50
DateTime.Now.ToString("MM/dd/yyyy h:mm tt")05/29/2015 5:50 AM
DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss")05/29/2015 05:50:06
DateTime.Now.ToString("MMMM dd")May 29
DateTime.Now.ToString("yyyy’-‘MM’-‘dd’T’HH’:’mm’:’ss.fffffffK")2015-05-16T05:50:06.7199222-04:00
DateTime.Now.ToString("ddd, dd MMM yyy HH’:’mm’:’ss ‘GMT’")Fri, 16 May 2015 05:50:06 GMT
DateTime.Now.ToString("yyyy’-‘MM’-‘dd’T’HH’:’mm’:’ss")2015-05-16T05:50:06
DateTime.Now.ToString("HH:mm")05:50
DateTime.Now.ToString("hh:mm tt")05:50 AM
DateTime.Now.ToString("H:mm")5:50
DateTime.Now.ToString("h:mm tt")5:50 AM
DateTime.Now.ToString("HH:mm:ss")05:50:06
DateTime.Now.ToString("yyyy MMMM")2015 May
  1. d -> Represents the day of the month as a number from 1 through 31.
  2. dd -> Represents the day of the month as a number from 01 through 31.
  3. ddd-> Represents the abbreviated name of the day (Mon, Tues, Wed, etc).
  4. dddd-> Represents the full name of the day (Monday, Tuesday, etc).
  5. h-> 12-hour clock hour (e.g. 4).
  6. hh-> 12-hour clock, with a leading 0 (e.g. 06)
  7. H-> 24-hour clock hour (e.g. 15)
  8. HH-> 24-hour clock hour, with a leading 0 (e.g. 22)
  9. m-> Minutes
  10. mm-> Minutes with a leading zero
  11. M-> Month number(eg.3)
  12. MM-> Month number with leading zero(eg.04)
  13. MMM-> Abbreviated Month Name (e.g. Dec)
  14. MMMM-> Full month name (e.g. December)
  15. s-> Seconds
  16. ss-> Seconds with leading zero
  17. t-> Abbreviated AM / PM (e.g. A or P)
  18. tt-> AM / PM (e.g. AM or PM
  19. y-> Year, no leading zero (e.g. 2015 would be 15)
  20. yy-> Year, leading zero (e.g. 2015 would be 015)
  21. yyy-> Year, (e.g. 2015)
  22. yyyy-> Year, (e.g. 2015)
  23. K-> Represents the time zone information of a date and time value (e.g. +05:00)
  24. z-> With DateTime values represents the signed offset of the local operating system's time zone from

    Coordinated Universal Time (UTC), measured in hours. (e.g. +6)
  25. zz-> As z, but with leading zero (e.g. +06)
  26. zzz-> With DateTime values represents the signed offset of the local operating system's time zone from UTC, measured in hours and minutes. (e.g. +06:00)
  27. f-> Represents the most significant digit of the seconds' fraction; that is, it represents the tenths of a second in a date and time value.
  28. ff-> Represents the two most significant digits of the seconds' fraction in date and time
  29. fff-> Represents the three most significant digits of the seconds' fraction; that is, it represents the milliseconds in a date and time value.
  30. ffff-> Represents the four most significant digits of the seconds' fraction; that is, it represents the ten-thousandths of a second in a date and time value. While it is possible to display the ten-thousandths of a second component of a time value, that value may not be meaningful.
  31. fffff-> Represents the five most significant digits of the seconds' fraction; that is, it represents the hundred-thousandths of a second in a date and time value.
  32. ffffff-> Represents the six most significant digits of the seconds' fraction; that is, it represents the millionths of a second in a date and time value.
  33. fffffff-> Represents the seven most significant digits of the second's fraction; that is, it represents the ten-millionths of a second in a date and time value.

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