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DatePipe

Formats a date value according to locale rules.

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{{ value_expression | date [ : format [ : timezone [ : locale ] ] ] }}
      
      {{ value_expression | date [ : format [ : timezone [ : locale ] ] ] }}
    

NgModule

Input value

value any

The date expression: a Date object, a number (milliseconds since UTC epoch), or an ISO string (https://www.w3.org/TR/NOTE-datetime).

Parameters

format string

The date/time components to include, using predefined options or a custom format string.

Optional. Default is 'mediumDate'.

timezone string

A timezone offset (such as '+0430'), or a standard UTC/GMT or continental US timezone abbreviation. Default is the local system timezone of the end-user's machine.

Optional. Default is undefined.

locale string

A locale code for the locale format rules to use. When not supplied, uses the value of LOCALE_ID, which is en-US by default. See Setting your app locale.

Optional. Default is undefined.

See also

Description

Only the en-US locale data comes with Angular. To localize dates in another language, you must import the corresponding locale data. See the I18n guide for more information.

Usage notes

The result of this pipe is not reevaluated when the input is mutated. To avoid the need to reformat the date on every change-detection cycle, treat the date as an immutable object and change the reference when the pipe needs to run again.

Pre-defined format options

Examples are given in en-US locale.

  • 'short': equivalent to 'M/d/yy, h:mm a' (6/15/15, 9:03 AM).
  • 'medium': equivalent to 'MMM d, y, h:mm:ss a' (Jun 15, 2015, 9:03:01 AM).
  • 'long': equivalent to 'MMMM d, y, h:mm:ss a z' (June 15, 2015 at 9:03:01 AM GMT+1).
  • 'full': equivalent to 'EEEE, MMMM d, y, h:mm:ss a zzzz' (Monday, June 15, 2015 at 9:03:01 AM GMT+01:00).
  • 'shortDate': equivalent to 'M/d/yy' (6/15/15).
  • 'mediumDate': equivalent to 'MMM d, y' (Jun 15, 2015).
  • 'longDate': equivalent to 'MMMM d, y' (June 15, 2015).
  • 'fullDate': equivalent to 'EEEE, MMMM d, y' (Monday, June 15, 2015).
  • 'shortTime': equivalent to 'h:mm a' (9:03 AM).
  • 'mediumTime': equivalent to 'h:mm:ss a' (9:03:01 AM).
  • 'longTime': equivalent to 'h:mm:ss a z' (9:03:01 AM GMT+1).
  • 'fullTime': equivalent to 'h:mm:ss a zzzz' (9:03:01 AM GMT+01:00).

Custom format options

You can construct a format string using symbols to specify the components of a date-time value, as described in the following table. Format details depend on the locale. Fields marked with (*) are only available in the extra data set for the given locale.

Field type Format Description Example Value
Era G, GG & GGG Abbreviated AD
GGGG Wide Anno Domini
GGGGG Narrow A
Year y Numeric: minimum digits 2, 20, 201, 2017, 20173
yy Numeric: 2 digits + zero padded 02, 20, 01, 17, 73
yyy Numeric: 3 digits + zero padded 002, 020, 201, 2017, 20173
yyyy Numeric: 4 digits or more + zero padded 0002, 0020, 0201, 2017, 20173
Month M Numeric: 1 digit 9, 12
MM Numeric: 2 digits + zero padded 09, 12
MMM Abbreviated Sep
MMMM Wide September
MMMMM Narrow S
Month standalone L Numeric: 1 digit 9, 12
LL Numeric: 2 digits + zero padded 09, 12
LLL Abbreviated Sep
LLLL Wide September
LLLLL Narrow S
Week of year w Numeric: minimum digits 1... 53
ww Numeric: 2 digits + zero padded 01... 53
Week of month W Numeric: 1 digit 1... 5
Day of month d Numeric: minimum digits 1
dd Numeric: 2 digits + zero padded 01
Week day E, EE & EEE Abbreviated Tue
EEEE Wide Tuesday
EEEEE Narrow T
EEEEEE Short Tu
Period a, aa & aaa Abbreviated am/pm or AM/PM
aaaa Wide (fallback to a when missing) ante meridiem/post meridiem
aaaaa Narrow a/p
Period* B, BB & BBB Abbreviated mid.
BBBB Wide am, pm, midnight, noon, morning, afternoon, evening, night
BBBBB Narrow md
Period standalone* b, bb & bbb Abbreviated mid.
bbbb Wide am, pm, midnight, noon, morning, afternoon, evening, night
bbbbb Narrow md
Hour 1-12 h Numeric: minimum digits 1, 12
hh Numeric: 2 digits + zero padded 01, 12
Hour 0-23 H Numeric: minimum digits 0, 23
HH Numeric: 2 digits + zero padded 00, 23
Minute m Numeric: minimum digits 8, 59
mm Numeric: 2 digits + zero padded 08, 59
Second s Numeric: minimum digits 0... 59
ss Numeric: 2 digits + zero padded 00... 59
Fractional seconds S Numeric: 1 digit 0... 9
SS Numeric: 2 digits + zero padded 00... 99
SSS Numeric: 3 digits + zero padded (= milliseconds) 000... 999
Zone z, zz & zzz Short specific non location format (fallback to O) GMT-8
zzzz Long specific non location format (fallback to OOOO) GMT-08:00
Z, ZZ & ZZZ ISO8601 basic format -0800
ZZZZ Long localized GMT format GMT-8:00
ZZZZZ ISO8601 extended format + Z indicator for offset 0 (= XXXXX) -08:00
O, OO & OOO Short localized GMT format GMT-8
OOOO Long localized GMT format GMT-08:00

Note that timezone correction is not applied to an ISO string that has no time component, such as "2016-09-19"

Format examples

These examples transform a date into various formats, assuming that dateObj is a JavaScript Date object for year: 2015, month: 6, day: 15, hour: 21, minute: 43, second: 11, given in the local time for the en-US locale.

{{ dateObj | date }} // output is 'Jun 15, 2015' {{ dateObj | date:'medium' }} // output is 'Jun 15, 2015, 9:43:11 PM' {{ dateObj | date:'shortTime' }} // output is '9:43 PM' {{ dateObj | date:'mmss' }} // output is '43:11'
      
      {{ dateObj | date }}               // output is 'Jun 15, 2015'
{{ dateObj | date:'medium' }}      // output is 'Jun 15, 2015, 9:43:11 PM'
{{ dateObj | date:'shortTime' }}   // output is '9:43 PM'
{{ dateObj | date:'mmss' }}        // output is '43:11'
    

Usage example

The following component uses a date pipe to display the current date in different formats.

@Component({ selector: 'date-pipe', template: `<div> <p>Today is {{today | date}}</p> <p>Or if you prefer, {{today | date:'fullDate'}}</p> <p>The time is {{today | date:'h:mm a z'}}</p> </div>` }) // Get the current date and time as a date-time value. export class DatePipeComponent { today: number = Date.now(); }
      
      
  1. @Component({
  2. selector: 'date-pipe',
  3. template: `<div>
  4. <p>Today is {{today | date}}</p>
  5. <p>Or if you prefer, {{today | date:'fullDate'}}</p>
  6. <p>The time is {{today | date:'h:mm a z'}}</p>
  7. </div>`
  8. })
  9. // Get the current date and time as a date-time value.
  10. export class DatePipeComponent {
  11. today: number = Date.now();
  12. }