If no mask is specified, returns the value in dd-mmm-yy format. The following example uses the "f" format specifier to display a date and time value. However, trailing zeros or five zero digits aren't displayed. The following example displays the custom format strings that map to the "d" (short date pattern) standard format string. The precision of date and time values depends on the resolution of the system clock. 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. For international date support, use LSDateFormat. For example, a format string that consists only of the specifier "h" is interpreted as a standard date and time format string. The following example uses the "T" format specifier to display a date and time value. The "Y" or "y" standard format specifier represents a custom date and time format string that is defined by the DateTimeFormatInfo.YearMonthPattern property of a specified culture. If the IELTS Writing task tells you to start with “Dear Sir … Packages that depend on date_format The following example includes the "ddd" custom format specifier in a custom format string. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. Make sure to use the "tt" specifier for languages for which it's necessary to maintain the distinction between AM and PM. The optional timestamp parameter is an int Unix timestamp that defaults to the current local time if a timestamp is not given. The "ss" custom format specifier (plus any number of additional "s" specifiers) represents the seconds as a number from 00 through 59. 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. Returns. Example: Mon, 07 Aug 2006 12:34:56 -0600--rfc-3339=TIMESPEC: Output date and time in RFC 3339 format. 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. C# DateTime Format. The following example uses the "G" format specifier to display a date and time value. Defines the abbreviated month names that can appear in the result string. You can determine the custom format string or strings that correspond to a standard format string by calling the DateTimeFormatInfo.GetAllDateTimePatterns(Char) method. The following example includes the "m" custom format specifier in a custom format string. For example, the custom format string for the invariant culture is "dddd, dd MMMM yyyy". Use `formatDate` method to format date according to format string. For example, the custom format string for the invariant culture is "yyyy MMMM". More. However, trailing zeros or four zero digits aren't displayed. 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. In the Format Cells dialog box, click Number > Date, and choose the local date as you need.See screenshot: The "F" custom format specifier represents the most significant digit of the seconds fraction; that is, it represents the tenths of a second in a date and time value. The custom format string is "yyyy'-'MM'-'dd'T'HH':'mm':'ss". Provides various constants to build Date format string. For DateTime values, this format specifier is designed to preserve date and time values along with the DateTime.Kind property in text. add a note. The result string is affected by the formatting information of a specific DateTimeFormatInfo object. Hours offset from UTC, with a leading zero for a single-digit value. Format accepted by DateTimeInterface::format().. timestamp. The "FFFFFFF" custom format specifier represents the seven most significant digits of the seconds fraction; that is, it represents the ten millionths of a second in a date and time value. If the "z" format specifier is used without other custom format specifiers, it's interpreted as a standard date and time format specifier and throws a FormatException. These settings are used to initialize the DateTimeFormatInfo object associated with the current thread culture, which provides values used to govern formatting. 唯一的例外mysql时间戳：14位 … A single-digit minute is formatted with a leading zero. Convert date to different format with Apply Date Formatting. For example, the result strings produced by formatting the date and time values 2014-11-15T18:32:17+00:00 and 2014-11-15T18:32:17+08:00 are identical. However, trailing zeros or seven zero digits aren't displayed. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. 1996-04-22 or 1996.04.22 or 1996/04/22 or 1996 April 22 2. If you have Kutools for Excel, its Apply Date Formatting function will do you a big favor. “FF” If non-zero, the hundredths of a second in a date and time value. The following example includes the "yy" custom format specifier in a custom format string. If non-zero, the milliseconds in a date and time value. An example is Japanese, for which the AM and PM designators differ in the second character instead of the first character. 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. In the case of DateTime objects, the parsing overload that you call should also include a styles parameter with a value of DateTimeStyles.RoundtripKind. The result represents whole seconds that have passed since the last minute. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. Unless otherwise noted, a particular standard date and time format specifier produces an identical string representation regardless of whether it is used with a DateTime or a DateTimeOffset value. If non-zero, the tenths of a second in a date and time value. To use any of the custom date and time format specifiers as the only specifier in a format string (that is, to use the "d", "f", "F", "g", "h", "H", "K", "m", "M", "s", "t", "y", "z", ":", or "/" custom format specifier by itself), include a space before or after the specifier, or include a percent ("%") format specifier before the single custom date and time specifier. The following example includes the "yyyy" custom format specifier in a custom format string. DateTimeOffset.ParseExact(String, String, IFormatProvider), Sample: .NET Core WinForms formatting utility (C#), Sample: .NET Core WinForms formatting utility (Visual Basic). For this reason, the "zz" format specifier is not recommended for use with DateTime values. The "fffff" custom format specifier 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. Select the dates whose format your want to change, or empty cells where you want to insert dates. Opera … The following example includes the "h" custom format specifier in a custom format string. The following example includes the "g" 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. “FFFF” If you specify a locale, it must be the last component of the date format. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. The "d" custom format specifier represents the day of the month as a number from 1 through 31. It doesn't reflect the value of an instance's DateTime.Kind property. As a result, although the "s" standard format specifier represents a date and time value in a consistent format, the formatting operation does not modify the value of the date and time object that is being formatted to reflect its DateTime.Kind property or its DateTimeOffset.Offset value. It doesn't reflect the value of an instance's DateTime.Kind property. Teams time and date format Hi, does anyone know how to change the time and date format on Teams for all the users in the organisation? Source code is available for C# and Visual Basic. The hour, using a 12-hour clock from 1 to 12. The "yyy" custom format specifier represents the year with a minimum of three digits. The "G" standard format specifier represents a combination of the short date ("d") and long time ("T") patterns, separated by a space. If the year has more than four significant digits, they are included in the result string. The first character of the AM/PM designator. The custom format string is "ddd, dd MMM yyyy HH':'mm':'ss 'GMT'". 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. Although it's possible to display the hundred thousandths of a second component of a time value, that value may not be meaningful. The following example includes the "t" custom format specifier in a custom format string. Select the Run button to run an example in an interactive window. The following C# example illustrates both approaches. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. For the Thai Buddhist calendar, which can have five-digit years, this format specifier displays all significant digits. 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. The following example illustrates these three format strings. A plus sign (+) indicates hours ahead of UTC, and a minus sign (-) indicates hours behind UTC. The "O" or "o" standard format specifier corresponds to the "yyyy'-'MM'-'dd'T'HH':'mm':'ss'. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. 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. '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 result string is affected by the following properties of the DateTimeFormatInfo object returned by the DateTimeFormatInfo.InvariantInfo property that represents the invariant culture. 04/22/1996 or April 22, 1996Specific formats for the basic components 1. yyyy – Four-digit year, e.g. However, trailing zeros or three zero digits aren't displayed. If the "K" format specifier is used without other custom format specifiers, it's interpreted as a standard date and time format specifier and throws a FormatException. Therefore, you must convert a DateTime value to UTC by calling the DateTime.ToUniversalTime method before formatting it. The result string is affected by the formatting information of a specific DateTimeFormatInfo object. The following table lists the DateTimeFormatInfo object properties that may control the formatting of the returned string. A single-digit month is formatted with a leading zero. For the invariant culture, this pattern is "MM/dd/yyyy". The appropriate localized designator is retrieved from the DateTimeFormatInfo.AMDesignator or DateTimeFormatInfo.PMDesignator property of the current or specific culture. However, in this particular case, an exception is thrown because there is no "h" standard date and timeformat specifier. If the "g" format specifier is used without other custom format specifiers, it's interpreted as the "g" standard date and time format specifier. For example, the custom format string for the invariant culture is "HH:mm:ss". The "FFFFF" custom format specifier 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. The following example uses the "u" format specifier to display a date and time value. If the ":" format specifier is used without other custom format specifiers, it's interpreted as a standard date and time format specifier and throws a FormatException. 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 sections provide additional information about each custom date and time format specifier. The purpose of the "s" format specifier is to produce result strings that sort consistently in ascending or descending order based on date and time values. All DateTimeOffset values are also represented in this format. The following table lists the DateTimeFormatInfo object properties that may control the formatting of the returned string. For DateTimeOffset values, the "K" format specifier is equivalent to the "zzz" format specifier, and produces a result string containing the DateTimeOffset value's offset from UTC. Many of the standard date and time format specifiers are aliases for formatting patterns defined by properties of the current DateTimeFormatInfo object. The following table provides information on these four standard date and time format strings. The modified code either runs in the interactive window or, if compilation fails, the interactive window displays all C# compiler error messages. The following example displays a date using the short date format of the pt-BR culture. In some cases, the standard format string serves as a convenient abbreviation for a longer custom format string that is invariant. A standard or custom format string can be used in two ways: To define the string that results from a formatting operation. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. This is the correct answer, but it has the wrong format. Nothing is displayed if the digit is zero. BSD . The "/" custom format specifier represents the date separator, which is used to differentiate years, months, and days. The custom format specifier returned by the DateTimeFormatInfo.LongDatePattern and DateTimeFormatInfo.ShortTimePattern properties of some cultures may not make use of all properties. The "R" or "r" standard format specifier represents a custom date and time format string that is defined by the DateTimeFormatInfo.RFC1123Pattern property. The following example includes the "f" custom format specifier in a custom format string. The format dd.mm.yyyy using dots (which denote ordinal numbering) is the traditional … To include a backslash in a result string, you must escape it with another backslash (\\). If the two-digit year has fewer than two significant digits, the number is padded with leading zeros to produce two digits. Defines the overall format of the result string. You can also use the " h" or "h " format string, although this includes a space in the result string along with the hour. The result represents whole seconds that have passed since the last minute. Custom date and time format strings can be used with both DateTime and DateTimeOffset values. With DateTimeOffset values, this format specifier represents the DateTimeOffset value's offset from UTC in hours. The hour is not rounded, and a single-digit hour is formatted with a leading zero. The "O" or "o" standard format specifier (and the "yyyy'-'MM'-'dd'T'HH':'mm':'ss'. The year, with a minimum of three digits. The following example includes the "MM" custom format specifier in a custom format string. Defines the string that indicates times from noon to before midnight in a 12-hour clock. The format you must use for proper date formatting every time is: Four-digit year ; Dash ; Two digit month or single digit month with leading zero ; Dash The local time zone of the Try.NET inline code runner and playground is Coordinated Universal Time, or UTC. 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. For example, the "ddd" format specifier adds an abbreviated weekday name found in the AbbreviatedDayNames string array to the result string. Notably, the hashes are displayed in full, regardless of whether --abbrev or --no-abbrev are used, and parents information show the true parent commits, without taking grafts or history simplification into account. For more information about using custom date and time format strings, see the Notes section. See Control Panel Settings and DateTimeFormatInfo Properties for additional information about using standard date and time format strings. 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. the mktime article has an example of adding days to a date of your choice and then formatting it: echo date("M-d-Y", mktime(0, 0, 0, 12, 32, 1997)) where the 32 is like adding 1 day to the 31st . following example includes the "ff" custom format specifier in a custom format string. However, the DateTime value is automatically converted to UTC before it is formatted. Note that the string is included in the result string, and that a string that includes the local time zone string also parses successfully. The following table describes various C# DateTime formats and their results. 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 modified code either runs in the interactive window or, if compilation fails, the interactive window displays all C# compiler error messages. This is important because the string representations of date and time values typically vary by culture. 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 offset is always displayed with a leading sign. On the Windows NT 3.5 (and later) and Windows Vista operating systems, the clock's resolution is approximately 10-15 milliseconds. The result string produced by many of the custom date and time format specifiers also depends on properties of the current DateTimeFormatInfo object. If the "/" format specifier is used without other custom format specifiers, it's interpreted as a standard date and time format specifier and throws a FormatException. When I say “date in a file name” I mean that the actual title of the file has the date in it. 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. In a parsing operation, they must match the characters in the input string exactly; the comparison is case-sensitive. Some of the C# examples in this article run in the Try.NET inline code runner and playground. M – Middle-endian (month, day, year), e.g. For more information about using a single format specifier, see Using Single Custom Format Specifiers later in this article. The "yyyy" custom format specifier represents the year with a minimum of four digits. 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. 2009-06-15T01:45:30 (arr hh:mm t) -> arr 01:45 A, By escaping each reserved character. The following example illustrates both uses. 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 "HH" custom format specifier (plus any number of additional "H" specifiers) represents the hour as a number from 00 through 23; that is, the hour is represented by a zero-based 24-hour clock that counts the hours since midnight. If they don't recognize the character as a valid format specifier, they throw a FormatException. Strings that are passed to the Parse, TryParse, ParseExact, and TryParseExact methods of DateTime and DateTimeOffset can be parsed by using the "O" or "o" format specifier if they are in one of these formats. The following example displays a date using the current culture's short date format. If there are additional "y" specifiers, the number is padded with as many leading zeros as necessary to produce the number of "y" specifiers.
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