For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. In this case, the current culture is en-US. Therefore, you must convert the DateTime value to UTC by calling the DateTime.ToUniversalTime method before you perform the formatting operation. The hundred thousandths of a second in a date and time value. The following example includes the "F" custom format specifier in a custom format string. The "u" standard format specifier represents a custom date and time format string that is defined by the DateTimeFormatInfo.UniversalSortableDateTimePattern property. Uploader. This is because parsing methods that use a custom format string can't parse the string representation of date and time values that lack a time zone component or use "Z" to indicate UTC. The following table lists the DateTimeFormatInfo object properties that may control the formatting of the returned string. The appropriate localized designator is retrieved from the DateTimeFormatInfo.AMDesignator or DateTimeFormatInfo.PMDesignator property of the current or specific culture. Defines the string that separates the year, month, and day components of a date. The "yyy" custom format specifier represents the year with a minimum of three digits. For the IFormatProvider parameter, you should specify a CultureInfo object, which represents a culture, or a DateTimeFormatInfo object. The "H" custom format specifier represents the hour as a number from 0 through 23; that is, the hour is represented by a zero-based 24-hour clock that counts the hours since midnight. The following example uses the "s" format specifier to display a DateTime and a DateTimeOffset value on a system in the U.S. Pacific Time zone. Select the Run button to run an example in an interactive window. When you use "f" format specifiers as part of a format string supplied to the ParseExact, TryParseExact, ParseExact, or TryParseExact method, the number of "f" format specifiers indicates the number of most significant digits of the seconds fraction that must be present to successfully parse the string. If the year has fewer than five digits, the number is padded with leading zeros to produce five digits. Kutools for Excel, with more than 300 handy functions, makes your jobs more easier. Many of the standard date and time format specifiers are aliases for formatting patterns defined by properties of the current DateTimeFormatInfo object. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. The "FF" custom format specifier represents the two most significant digits of the seconds fraction; that is, it represents the hundredths of a second in a date and time value. Defines the localized month names that can appear in the result string. Because the "O" or "o" standard format specifier conforms to an international standard, the formatting or parsing operation that uses the specifier always uses the invariant culture and the Gregorian calendar. These methods require that an input string conforms exactly to a particular pattern for the parse operation to succeed. Your application can change the result produced by some custom date and time format specifiers by changing the corresponding DateTimeFormatInfo property. Opera … The "yy" custom format specifier represents the year as a two-digit number. The pattern reflects a defined standard (ISO 8601), and the property is read-only. You can pass a DateTimeFormatInfo object that provides formatting information to a method that has an IFormatProvider parameter. The ":" custom format specifier represents the time separator, which is used to differentiate hours, minutes, and seconds. DateTime thisDate1 = new DateTime(2011, 6, 10); Console.WriteLine("Today is " + thisDate1.ToString("MMMM dd, yyyy") + ". H ow do I format the date to display on the screen on for my shell scripts as per my requirements on Linux or Unix like operating systems? However, trailing zeros or seven zero digits aren't displayed. Therefore, it is always the same, regardless of the culture used or the format provider supplied. The custom format specifier that is returned by the DateTimeFormatInfo.ShortTimePattern property of some cultures may not make use of all properties. Y – Year 2. For DateTime values, this format specifier is designed to preserve date and time values along with the DateTime.Kind property in text. “FFF” If non-zero, the milliseconds in a date and time value. You can pass a CultureInfo object representing the culture whose formatting is to be used to a method that has an IFormatProvider parameter. On the Windows NT 3.5 (and later) and Windows Vista operating systems, the clock's resolution is approximately 10-15 milliseconds. On the Windows NT 3.5 (and later) and Windows Vista operating systems, the clock's resolution is approximately 10-15 milliseconds. The following example uses the "d" format specifier to display a date and time value. For example, the custom format string hh'_'dd'_'ss produces a result string in which "_" (an underscore) is always used as the time separator. date serial numbers) by Excel, but rather as text. The "FFFF" custom format specifier 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. This does not make sense = [02 RK1Y]-74261-[477-4DKU]. Convert date to different format with Apply Date Formatting. Tom. The "U" format specifier is not supported by the DateTimeOffset type and throws a FormatException if it is used to format a DateTimeOffset value. The "y" custom format specifier represents the year as a one-digit or two-digit number. Any string that is not a standard date and time format string is interpreted as a custom date and time format string. However, trailing zeros or three zero digits aren't displayed. The "K" custom format specifier represents the time zone information of a date and time value. However, trailing zeros or five zero digits aren't displayed. If you use "4@CAD" in a DAL function, the system returns the French Canadian translation of date format type 4 (Month D, YYYY with month spelled out). A simple API to format dates. The following example includes the "h" custom format specifier in a custom format string. The result string produced by many of the custom date and time format specifiers also depends on properties of the current DateTimeFormatInfo object. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. The custom format string is "yyyy'-'MM'-'dd HH':'mm':'ss'Z'". The result represents whole seconds that have passed since the last minute. The local time zone of the Try.NET inline code runner and playground is Coordinated Universal Time, or UTC. You can download the Formatting Utility, a .NET Windows Forms application that lets you apply format strings to either numeric or date and time values and display the result string. Date and time functions. The following example includes the "f" custom format specifier in a custom format string. The localized abbreviated name of the month is retrieved from the DateTimeFormatInfo.AbbreviatedMonthNames property of the current or specified culture. If the "F" format specifier is used without other format specifiers, it's interpreted as the "F" standard date and time format specifier. The following example includes the "z" custom format specifier in a custom format string. The following example displays a date using the short date format from a DateTimeFormatInfo object for the hr-HR culture. For example, the custom format string mm'/'dd'/'yyyy produces a result string in which "/" is always used as the date separator. The AM designator is used for all times from 0:00:00 (midnight) to 11:59:59.999. The Regional and Language Options settings in Control Panel influence the result string produced by a formatting operation that includes many of the custom date and time format specifiers. If non-zero, the tenths of a second in a date and time value. For example, the custom format string for the invariant culture is "dddd, dd MMMM yyyy HH:mm:ss". Source code is available for C# and Visual Basic. The character is copied to the result string unchanged. If you don’t like the default date format, you can choose another date format in Excel, such as "February 2, 2012" or "2/2/12". Defines the localized day names that can appear in the result string. The precision of date and time values depends on the resolution of the system clock. When I say “date in a file name” I mean that the actual title of the file has the date in it. décembre 18, 2010 The "U" standard format specifier represents a custom date and time format string that is defined by a specified culture's DateTimeFormatInfo.FullDateTimePattern property. The following example includes the "s" custom format specifier in a custom format string. The following example uses the escape character to prevent the formatting operation from interpreting the "h" and "m" characters as format specifiers. The first character of the AM/PM designator. This article blog explains how to work with date and time format in C#. This is important because the string representations of date and time values typically vary by culture. Defines the overall format of the result string. Custom date and time format strings can be used with both DateTime and DateTimeOffset values. If non-zero, the ten millionths of a second in a date and time value. This group includes the following formats: The "d" standard format specifier represents a custom date and time format string that is defined by a specific culture's DateTimeFormatInfo.ShortDatePattern property. A standard date and time format string uses a single character as the format specifier to define the text representation of a DateTime or a DateTimeOffset value. Format type 4, with French Canadian as the locality. If the two-digit year has fewer than two significant digits, the number is padded with leading zeros to produce two digits. A single-digit day is formatted without a leading zero. The following characters in a custom date and time format string are reserved and are always interpreted as formatting characters or, in the case of ", ', /, and \, as special characters. The hour is not rounded, and a single-digit hour is formatted without a leading zero. It doesn't reflect the value of an instance's DateTime.Kind property. The pattern is the same as the "F" pattern. See Control Panel Settings and DateTimeFormatInfo Properties for additional information about using standard date and time format strings. “FFFF” There are two ways to indicate that characters are to be interpreted as literal characters and not as reserve characters, so that they can be included in a result string or successfully parsed in an input string: The following example includes the literal characters "pst" (for Pacific Standard time) to represent the local time zone in a format string. In contrast, DateTimeOffset values perform this conversion automatically; there is no need to call the DateTimeOffset.ToUniversalTime method before the formatting operation. You can use the CultureInfo(String, Boolean) constructor to create a CultureInfo object that does not reflect a system's customizations. For example, given a time of 5:43 in the morning or afternoon, this custom format specifier displays "5". 格式 描述 %a: 缩写星期名 %b: 缩写月名 %c: 月，数值 %D: 带有英文前缀的月中的天 %d: 月的天，数值(00-31) %e: 月的天，数值(0-31) Chrome Full support 1. The "g" or "gg" custom format specifiers (plus any number of additional "g" specifiers) represents the period or era, such as A.D. Hours offset from UTC, with no leading zeros. A plus sign (+) indicates hours ahead of UTC, and a minus sign (-) indicates hours behind UTC. In formatting operations, custom date and time format strings can be used either with the ToString method of a date and time instance or with a method that supports composite formatting. The following example uses the "o" format specifier to create a formatted string, and then restores the original date and time value by calling a date and time Parse method. For the IFormatProvider parameter, your application should specify a CultureInfo object, which represents a culture, or a DateTimeFormatInfo object, which represents a particular culture's date and time formatting conventions. Formatting is influenced by properties of the current DateTimeFormatInfo object, which is provided implicitly by the current thread culture or explicitly by the IFormatProvider parameter of the method that invokes formatting. If the year has more than five significant digits, they are included in the result string. The following example includes the "FF" custom format specifier in a custom format string. If there are additional "y" specifiers, the number is padded with as many leading zeros as necessary to produce the number of "y" specifiers. So you need to change the date format. Constructor Intl.DateTimeFormat() Creates a new DateTimeFormat object. If the year has more than two digits, only the two low-order digits appear in the result. M – Middle-endian (month, day, year), e.g. The ten millionths of a second in a date and time value. Although the RFC 1123 standard expresses a time as Coordinated Universal Time (UTC), the formatting operation does not modify the value of the DateTime object that is being formatted. The raw format shows the entire commit exactly as stored in the commit object. The following example uses the "U" format specifier to display a date and time value. The "g" standard format specifier represents a combination of the short date ("d") and short time ("t") patterns, separated by a space. 3.Select the cell B1 and right-click, choose Format Cells from the context menu. They produce string representations of date and time values that are intended to be identical across cultures. “FF” If non-zero, the hundredths of a second in a date and time value. The tenths of a second in a date and time value. Unless otherwise noted, each specifier produces an identical string representation regardless of whether it's used with a DateTime value or a DateTimeOffset value. To change the date separator for all dates for a culture, either change the value of the DateTimeFormatInfo.DateSeparator property of the current culture, or instantiate a DateTimeFormatInfo object, assign the character to its DateSeparator property, and call an overload of the formatting method that includes an IFormatProvider parameter. Format accepted by DateTimeInterface::format().. timestamp. A particular hour after midnight is indistinguishable from the same hour after noon. “F” If non-zero, the tenths of a second in a date and time value. For example, the custom format string for the invariant culture is "MMMM dd". For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. The following table lists the DateTimeFormatInfo object properties that may control the formatting of the returned string. For a UTC time (a DateTime.Kind property value of DateTimeKind.Utc), the result string includes a "Z" character to represent a UTC date. ISO 8601 Data elements and interchange formats – Information interchange – Representation of dates and times is an international standard covering the exchange of date- and time-related data.It was issued by the International Organization for Standardization (ISO) and was first published in 1988. Returns. For the invariant culture, this pattern is "MM/dd/yyyy". getDate. With DateTime values, the "zz" custom format specifier represents the signed offset of the local operating system's time zone from UTC, measured in hours. The escape character signifies that the following character is a character literal that should be included in the result string unchanged. If the first digit of a two-digit year begins with a zero (for example, 2008), the number is formatted without a leading zero. The "R" or "r" standard format specifier represents a custom date and time format string that is defined by the DateTimeFormatInfo.RFC1123Pattern property. The minute represents whole minutes that have passed since the last hour. The "/" custom format specifier represents the date separator, which is used to differentiate years, months, and days. The custom format specifier that is returned by the DateTimeFormatInfo.ShortDatePattern and DateTimeFormatInfo.LongTimePattern properties of some cultures may not make use of all properties. If the "y" format specifier is used without other custom format specifiers, it's interpreted as the "y" standard date and time format specifier. The following table lists the DateTimeFormatInfo object properties that control the formatting of the returned string. The appropriate localized time separator is retrieved from the DateTimeFormatInfo.TimeSeparator property of the current or specified culture. Packages that depend on date_format A single-digit second is formatted without a leading zero. Many standard format strings map to multiple custom format strings, so a date and time value can be represented in a variety of formats and the parse operation will still succeed. Listing of countries with their preferred date formats, ISO3166 code, ISO629-2 - … The year, with a minimum of three digits. A text string representing the date formatted according to the mask. A single-digit month is formatted with a leading zero. You can determine the custom format string or strings that correspond to a standard format string by calling the DateTimeFormatInfo.GetAllDateTimePatterns(Char) method. By default, Windows formats dates with slashes (3/23/16). Some of the C# examples in this article run in the Try.NET inline code runner and playground. The following example illustrates both uses. The "mm" custom format specifier (plus any number of additional "m" specifiers) represents the minute as a number from 00 through 59. The following example parses the string representation of a date that has a two-digit year by using the default Gregorian calendar of the en-US culture, which, in this case, is the current culture. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. To include a backslash in a result string, you must escape it with another backslash (\\). The time zone component of DateTimeKind.Utc date and time values uses "Z" (which stands for zero offset) to represent UTC. Dates are stored as numbers in Excel and count the number of days since January 0, 1900. The following example includes the literal characters "PST" (for Pacific Standard Time) and "PDT" (for Pacific Daylight Time) to represent the local time zone in a format string. The following example includes the "yyyy" custom format specifier in a custom format string. Defines the format of the time component of the result string. The pattern reflects a defined standard, and the property is read-only. For example, the custom format string that is returned by the ShortDatePattern property of the invariant culture is "MM/dd/yyyy". For example, the custom format string for the invariant culture is "yyyy MMMM". If non-zero, the milliseconds in a date and time value. All DateTimeOffset values are also represented in this format. If the year has more than three significant digits, they are included in the result string. There is only one right way to put the date in a file name. It doesn't reflect the value of an instance's DateTime.Kind property. The pattern reflects a defined standard, and the property is read-only. tejainece@gmail.com. The following example includes the "hh" custom format specifier in a custom format string. A standard or custom format string can be used in two ways: To define the string that results from a formatting operation. The following example uses the "T" format specifier to display a date and time value. In parsing operations, custom date and time format strings can be used with the DateTime.ParseExact, DateTime.TryParseExact, DateTimeOffset.ParseExact, and DateTimeOffset.TryParseExact methods. The result string is affected by the formatting information of a specific DateTimeFormatInfo object. The "s" custom format specifier represents the seconds as a number from 0 through 59. The result string is affected by the formatting information of a specific DateTimeFormatInfo object. The "t" standard format specifier represents a custom date and time format string that is defined by the current DateTimeFormatInfo.ShortTimePattern property. Therefore, it is always the same, regardless of the culture used or the format provider supplied. By default, result strings reflect the formatting conventions of the en-US culture. The following example includes the "FFF" custom format specifier in a custom format string. Date and time formatting methods interpret any single-character string as a standard date and time format string. If you encounter an Excel date that won’t change when you change its format it’s likely that your dates aren’t being stored as ‘true’ dates (ie. Use `formatDate` method to format date according to format string. 04/22/1996 or April 22, 1996Specific formats for the basic components 1. yyyy – Four-digit year, e.g. If the "m" format specifier is used without other custom format specifiers, it's interpreted as the "m" standard date and time format specifier. If non-zero, the hundredths of a second in a date and time value. Although the result string should express a time as Coordinated Universal Time (UTC), no conversion of the original DateTime value is performed during the formatting operation. To change the time separator for a particular date and time string, specify the separator character within a literal string delimiter. Therefore, you must convert a DateTime value to UTC by calling the DateTime.ToUniversalTime method before formatting it. The precision of date and time values depends on the resolution of the system clock. If you have Kutools for Excel, its Apply Date Formatting function will do you a big favor. If the year has fewer than three digits, the number is padded with leading zeros to produce three digits. The following example uses the "f" format specifier to display a date and time value. The following example includes the "ddd" custom format specifier in a custom format string. In formatting operations, custom date and time format strings can be used either with the ToString method of a date and time instance or with a method that supports composite formatting. By enclosing the entire literal string in quotation marks or apostrophes. If you are studying date_format because you want to format a date, consider the power of date(..) !!!! For example, given a time of 5:43 in the morning or afternoon, this format specifier displays "05". The full date short time ("f") format specifier, The full date long time ("F") format specifier, The general date short time ("g") format specifier, The general date long time ("G") format specifier, The round-trip ("O", "o") format specifier, The universal sortable ("u") format specifier, The universal full ("U") format specifier, DateTimeFormatInfo.GetAllDateTimePatterns(Char), DateTime.Parse(String, IFormatProvider, DateTimeStyles), DateTimeFormatInfo.SortableDateTimePattern, DateTimeFormatInfo.UniversalSortableDateTimePattern, The year month ("Y", "y") format specifier, Sample: .NET Core WinForms Formatting Utility (C#), Sample: .NET Core WinForms Formatting Utility (Visual Basic), 2009-06-15T13:45:30 -> Monday, June 15, 2009 (en-US), 2009-06-15T13:45:30 -> Monday, June 15, 2009 1:45 PM (en-US), 2009-06-15T13:45:30 -> Monday, June 15, 2009 1:45:30 PM (en-US), 2009-06-15T13:45:30 -> 6/15/2009 1:45 PM (en-US), 2009-06-15T13:45:30 -> 6/15/2009 1:45:30 PM (en-US), 2009-06-15T13:45:30 -> Mon, 15 Jun 2009 20:45:30 GMT, 2009-06-15T13:45:30 (DateTimeKind.Local) -> 2009-06-15T13:45:30, 2009-06-15T13:45:30 -> 1:45:30 PM (en-US), 2009-06-15T13:45:30 -> Monday, June 15, 2009 8:45:30 PM (en-US), yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fffffffzz. 'fffffffK" custom format string) takes advantage of the three ways that ISO 8601 represents time zone information to preserve the Kind property of DateTime values: The time zone component of DateTimeKind.Local date and time values is an offset from UTC (for example, +01:00, -07:00). The following example includes the "MMMM" custom format specifier in a custom format string. The "dd" custom format string represents the day of the month as a number from 01 through 31. The "MMM" custom format specifier represents the abbreviated name of the month. If non-zero, the ten thousandths of a second in a date and time value. The "s" standard format specifier represents a custom date and time format string that is defined by the DateTimeFormatInfo.SortableDateTimePattern property. This is the correct answer, but it has the wrong format. 1996-04-22 or 1996.04.22 or 1996/04/22 or 1996 April 22 2. For international date support, use LSDateFormat. The following example is like the previous one, except that "pst" is enclosed in quotation marks to indicate that the entire delimited string should be interpreted as character literals. However, in this particular case, an exception is thrown because there is no "h" standard date and timeformat specifier. In Microsoft Excel, dates can be displayed in a variety of ways. The "O" or "o" standard format specifier represents a custom date and time format string using a pattern that preserves time zone information and emits a result string that complies with ISO 8601. The hour, using a 24-hour clock from 00 to 23. The "MM" custom format specifier represents the month as a number from 01 through 12 (or from 1 through 13 for calendars that have 13 months). With DateTime values, the "zzz" custom format specifier represents the signed offset of the local operating system's time zone from UTC, measured in hours and minutes. The following example uses the "t" format specifier to display a date and time value. Free Download free full-featured in 30 days . I know if users click their photo> go to settings> language> choose the area, time and data format will change ( we prefer the UK style- DD/MM), but I am looking for a solution which admins can do for everyone. The "h" custom format specifier represents the hour as a number from 1 through 12; that is, the hour is represented by a 12-hour clock that counts the whole hours since midnight or noon. For the fr-FR culture, it is "dd/MM/yyyy". The following example includes the "zzz" custom format specifier in a custom format string. The result string is affected by the formatting information of a specific DateTimeFormatInfo object. All Dell serial numbers have 20 digits like this = CN-00FFXD-74261-3AB-1KFS CN = China 0FFXD = Dell part number 74261 = Factory ID (confidential) 3AB = Date code (October 11, 2013) 1KFS = Manufacturer code (confidential)