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The TimeSpanFormatInfo class, which can be used with both
TimeSpan and TimeSpan2 objects, has a rich syntax for defining how strings are parsed and how output strings are formatted.

**Formatting**

The following table lists the standard TimeSpan format patterns associated with TimeSpanFormatInfo properties.

The following table lists the custom TimeSpan format patterns and their behavior.

**Parsing**

*forthcoming*

The following table lists the standard TimeSpan format patterns associated with TimeSpanFormatInfo properties.

Format pattern | Associated property/description | Example output |
---|---|---|

c | Constant (invariant) format. This specifier is not culture-sensitive. It takes the form [-][d’.’]hh’:’mm’:’ss[‘.’fffffff]. | 8.04:15:12.0401200 |

f | General word format | 8 days, 4 hours, 15 minutes, 12 seconds, 40 milliseconds |

g | General short format.This specifier outputs only what is needed. It is culture-sensitive and takes the form [-][d’:’]h’:’mm’:’ss[.FFFFFFF]. | 8.4:15:12.04012 |

G | General long format.This specifier always outputs days and seven fractional digits. It is culture-sensitive and takes the form [-]d’:’hh’:’mm’:’ss.fffffff. | 8.04:15:12.0401200 |

j | JIRA duration format. This specifier outputs weeks, days, hours, minutes and seconds in the style defined by JIRA. It takes the form [w'w'] [d'd'] [h'h'] [m'm'] [s's']. | 1w 1d 4h 15m 12s |

x | ISO 8601 pattern for time intervals. See http://www.iso.org/iso/date_and_time_format for more information. | P8DT4H15M12.04S |

The following table lists the custom TimeSpan format patterns and their behavior.

Format specifier | Description | Examples |
---|---|---|

"d" or "%d" | The number of whole days in the time interval. | 8.04:15:12.0401200 -> 8 |

"dd" - "dddddddd" | The number of whole days in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (ddd) -> 008 |

"D", "%D" or "D[n]" | The total number of days expressed in whole and fractional days. Placing an integer after the letter will limit the number of decimal places shown. | 8.04:15:12.0401200 (%D) -> 8.17722268657407; 8.04:15:12.0400000 (D2) -> 8.18 |

"%f" | The tenths of a second in the time interval. | 8.04:15:12.0401200 -> 0 |

"ff" | The hundredths of a second in the time interval. | 8.04:15:12.0401200 -> 04 |

"fff" | The milliseconds in the time interval. | 8.04:15:12.0401200 -> 040 |

"ffff" | The ten thousandths of a second in the time interval. | 8.04:15:12.0401200 -> 0401 |

"fffff" | The hundred thousandths of a second in the time interval. | 8.04:15:12.0401200 -> 04012 |

"ffffff" | The millionths of a second in the time interval. | 8.04:15:12.0401200 -> 040120 |

"fffffff" | The ten millionths of a second in the time interval. | 8.04:15:12.0401200 -> 0401200 |

"%F" | If non-zero, the tenths of a second in the time interval. | 8.04:15:12.0401200 -> (no output) |

"FF" | If non-zero, the hundredths of a second in the time interval. | 8.04:15:12.0401200 -> 04 |

"FFF" | If non-zero, the milliseconds in the time interval. | 8.04:15:12.0401200 -> 040 |

"FFFF" | If non-zero, the ten thousandths of a second in the time interval. | 8.04:15:12.0401200 -> 0401 |

"FFFFF" | If non-zero, the hundred thousandths of a second in the time interval. | 8.04:15:12.0401200 -> 04012 |

"FFFFFF" | If non-zero, the millionths of a second in the time interval. | 8.04:15:12.0401200 -> 04012 |

"FFFFFFF" | If non-zero, the ten millionths of a second in the time interval. | 8.04:15:12.0401200 -> 04012 |

"h" or "%h" | The number of whole hours in the time interval. | 8.04:15:12.0401200 -> 4 |

"hh" - "hhhhhhhh" | The number of whole hours in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (hhh) -> 004 |

"H", "%H" or "H[n]" | The total number of hours expressed in whole and fractional hours. Placing an integer after the letter will limit the number of decimal places shown. | 8.04:15:12.0401200 (%H) -> 196.253344477778; 8.04:15:12.0401200 (H2) -> 196.25 |

"k" or "%k" | The number of whole milliseconds in the time interval. | 8.04:15:12.0401200 -> 40 |

"kk" - "kkkkkkkk" | The number of whole milliseconds in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (kkk) -> 040 |

"K", "%K" or "K[n]" | The total number of milliseconds expressed in whole and fractional hours. Placing an integer after the letter will limit the number of decimal places shown. | 8.04:15:12.0401200 (%K) -> 706512040.12; 8.04:15:12.0401200 (K2) -> 706512040.12 |

"m" or "%m" | The number of whole minutes in the time interval. | 8.04:15:12.0401200 -> 15 |

"mm" - "mmmmmmmm" | The number of whole minutes in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (mmm) -> 015 |

"M", "%M" or "M[n]" | The total number of minutes expressed in whole and fractional hours. Placing an integer after the letter will limit the number of decimal places shown. | 8.04:15:12.0401200 (%M) -> 11775.2006666667; 8.04:15:12.0401200 (M2) -> 11775.2 |

"r" or "%r" | The number of days in any partial week in the time interval. | 8.04:15:12.0401200 -> 1 |

"rr" - "rrrrrrrr" | The number of days in any partial week in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (rrr) -> 001 |

"s" or "%s" | The number of whole seconds in the time interval. | 8.04:15:12.0401200 -> 12 |

"ss" - "ssssssss" | The number of whole seconds in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (sss) -> 012 |

"S", "%S" or "S[n]" | The total number of seconds expressed in whole and fractional hours. Placing an integer after the letter will limit the number of decimal places shown. | 8.04:15:12.0401200 (%S) -> 706512.04012; 8.04:15:12.0400000 (S2) -> 706512.04 |

"t" or "%t" | The number of ticks (equal to 100 nanoseconds) in the time interval. | 8.04:15:12.0401200 -> 7065120401200 |

"tt" - "tttttttt" | The number of ticks in the time interval, padded with leading zeros as needed. | 00:00:00.0050000 (tttttt) -> 050000 |

"w" or "%w" | The number of whole weeks in the time interval. | 8.04:15:12.0401200 -> 1 |

"ww" - "wwwwwwww" | The number of whole weeks in the time interval, padded with leading zeros as needed. | 8.04:15:12.0401200 (www) -> 001 |

"string", 'string' | Literal string delimiter. | 8.04:15:12.0401200 ("Days: "%d) -> Days: 8 |

'\' | The escape character. | 8.04:15:12.0401200 (%d\d) -> 8d |

'' |
White space. | 8.04:15:12.0401200 (%d%h) -> 8 4 |

':' | The culture-specific time separator. | 8.04:15:12.0401200 (%h:%m) -> 4:15 |

'.' | The culture-specific number decimal separator. | 8.04:15:12.0401200 (%d.%h) -> 8.4 |

"[<format specifier(s)>]" | Grouping of specifiers that, if entire grouping results in a zero, will not be displayed | 8.0:15:12.0401200 ([%h:][%m]) -> 15 |

Last edited May 22, 2012 at 9:14 PM by dahall, version 1