Invalid date in safari

Question

alert new Date  2010-11-29       chrome  ff doesn t have problems with this  but safari cries  invalid date   Why    edit   ok  as per the comments below  I used string parsing and tried this     alert new Date  11-29-2010       doesn t work in safari alert new Date  29-11-2010       doesn t work in safari alert new Date  2010-29-11       doesn t work in safari   edit Mar 22 2018   Seems like people are still landing here - Today  I would use moment or date-fns and be done with it  Date-fns is very much pain free and light as well

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As  nizantz previously mentioned  using Date parse   wasn t working for me in Safari  After a bit of research  I learned that the lastDateModified property for the File object has been deprecated  and is no longer supported by Safari  Using the lastModified property of the File object resolved my issues  Sure dislike it when bad info is found online   Thanks to all who contributed to this post that assisted me in going down the path I needed to learn about my issue  Had it not been for this info  I never would have probably figured out my root issue  Maybe this will help someone else in my similar situation

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The same problem facing in Safari and it was solved by inserting this in web page    lt script src  https   cdn polyfill io v2 polyfill min js features Intl  locale en  gt  lt  script gt     Hope it will work also your  case too   Thanks

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I had the same issue Then I used moment Js Problem has vanished       When creating a moment from a string  we first check if the string   matches known ISO 8601 formats  then fall back to new Date string  if   a known format is not found       Warning  Browser support for parsing strings is inconsistent  Because   there is no specification on which formats should be supported  what   works in some browsers will not work in other browsers       For consistent results parsing anything other than ISO 8601 strings    you should use String   Format    e g   var date  moment String

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I am also facing the same problem in Safari Browser  var date   new Date  2011-02-07    console log date     IE you get    NaN    returned and in Safari you get    Invalid Date      Here the solution   var d   new Date 2011  01  07      yyyy  mm-1  dd   var d   new Date 2011  01  07  11  05  00      yyyy  mm-1  dd  hh  mm  ss   var d   new Date  02 07 2011        mm dd yyyy    var d   new Date  02 07 2011 11 05 00        mm dd yyyy hh mm ss    var d   new Date 1297076700000      milliseconds   var d   new Date  Mon Feb 07 2011 11 05 00 GMT         Day Mon dd yyyy hh mm ss GMT UTC

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Best way to do it is by using the following format   new Date year  month  day  hours  minutes  seconds  milliseconds  var d   new Date 2018  11  24  10  33  30  0     This is supported in all browsers and will not give you any issues  Please note that the months are written from 0 to 11

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To have a solution working on most browsers  you should create your date-object with this format   year  month  date  hours  minutes  seconds  ms    e g    dateObj   new Date 2014  6  25     UTC time   Months are mapped from 0 to 11 alert dateObj getTime       gives back timestamp in ms   works fine with IE  FF  Chrome and Safari  Even older versions   IE Dev Center  Date Object  JavaScript   Mozilla Dev Network  Date

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This is not the best solution  although I simply catch the error and send back current date  I personally feel like not solving Safari issues  if users want to use a sh t non-standards compliant browser - they have to live with quirks   function safeDate dateString           let date   new Date      try       if  Date parse dateString           date   new Date Date parse dateString             catch  error           do nothing        return date      I d suggest having your backend send ISO dates

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For me implementing a new library just because Safari cannot do it correctly is too much and a regex is overkill  Here is the oneliner   console log  new Date  2011-04-12  replace  - g

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This will not work alert new Date  2010-11-29     safari have some weird strict way of processing date format alert new Date String  2010-11-29      try like this   Or  Using Moment js will solve the issue though  After ios 14 the safari gets even weird Try this alert moment String  quot 2015-12-31 00 00 00 quot      Moment JS

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I was facing a similar issue  Date Parse  DATESTRING   was working on Chrome  Version 59 0 3071 115   but not of Safari  Version 10 1 1  11603 2 5     Safari   Date parse  2017-01-22 11 57 00   NaN   Chrome   Date parse  2017-01-22 11 57 00   1485115020000   The solution that worked for me was replacing the space in the dateString with  T     example   dateString replace    g  T      Safari   Date parse  2017-01-22T11 57 00   1485086220000   Chrome   Date parse  2017-01-22T11 57 00   1485115020000   Note that the response from Safari browser is 8hrs  28800000ms  less than the response seen in Chrome browser because Safari returned the response in local TZ  which is 8hrs behind UTC   To get both the times in same TZ  Safari   Date parse  2017-01-22T11 57 00Z   1485086220000   Chrome   Date parse  2017-01-22T11 57 00Z   1485086220000

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convert string to Date fromat  you have to know server timezone   new Date  2015-06-16 11 00 00  replace   s  g   T   concat   000 08 00    getTime       where   08 00   timeZone from server

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How about hijack Date with fix-date  No dependencies  min   gzip   280 B

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I use moment to solve the problem  For example  var startDate   moment  2015-07-06 08 00    YYYY-MM-DD HH mm   toDate

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Though you might hope that browsers would support ISO 8601  or date-only subsets thereof   this is not the case  All browsers that I know of  at least in the US English locales I use  are able to parse the horrible US MM DD YYYY format   If you already have the parts of the date  you might instead want to try using Date UTC    If you don t  but you must use the YYYY-MM-DD format  I suggest using a regular expression to parse the pieces you know and then pass them to Date UTC

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Use the below format  it would work on all the browsers  var year   2016  var month   02               month varies from 0-11  Jan-Dec  var day   23   month   month lt 10  0  month month            to ensure YYYY-MM-DD format day   day lt 10  0  day day   dateObj   new Date year  -  month  -  day    alert dateObj        Your output would look like this  Wed Mar 23 2016 00 00 00 GMT 0530  IST      Note this would be in the current timezone in this case denoted by IST  to convert to UTC timezone you can include  alert dateObj toUTCSting       Your output now would like this  Tue  22 Mar 2016 18 30 00 GMT   Note that now the dateObj shows the time in GMT format  also note that the date and time have been changed correspondingly   The  toUTCSting  function retrieves the corresponding time at the Greenwich meridian  This it accomplishes by establishing the time difference between your current timezone to the Greenwich Meridian timezone   In the above case the time before conversion was 00 00 hours and minutes on the 23rd of March in the year 2016  And after conversion from GMT 0530  IST  hours to GMT  it basically subtracts 5 30 hours from the given timestamp in this case  the time reflects 18 30 hours on the 22nd of March in the year 2016  exactly 5 30 hours behind the first time     Further to convert any date object to timestamp you can use   alert dateObj getTime         output would look something similar to this  1458671400000   This would give you the unique timestamp of the time

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The pattern yyyy-MM-dd isn t an officially supported format for Date constructor  Firefox seems to support it  but don t count on other browsers doing the same  Here are some supported strings   MM-dd-yyyy yyyy MM dd MM dd yyyy MMMM dd  yyyy MMM dd  yyyy  DateJS seems like a good library for parsing non standard date formats  Edit  just checked ECMA-262 standard  Quoting from section 15 9 1 15  Date Time String Format  ECMAScript defines a string interchange format for date-times based upon a simplification of the ISO 8601  Extended Format   The format is as follows  YYYY-MM-DDTHH mm ss sssZ Where the fields are as follows   YYYY is the decimal digits of the year in the Gregorian calendar   quot - quot   hyphon  appears literally twice in the string  MM  is the month of the year from 01  January  to 12  December   DD  is the day of the month from 01 to 31   quot T quot  appears literally in the string  to indicate the beginning of the time element  HH  is the number of complete hours that have passed since midnight as two decimal digits   quot   quot   colon  appears literally twice in the string  mm  is the number of complete minutes since the start of the hour as two decimal digits  ss  is the number of complete seconds since the start of the minute as two decimal digits   quot   quot   dot  appears literally in the string  sss is the number of complete milliseconds since the start of the second as three decimal digits  Both the  quot   quot  and the milliseconds field may be omitted  Z  is the time zone offset specified as  quot Z quot   for UTC  or either  quot   quot  or  quot - quot  followed by a time expression hh mm  This format includes date-only forms   YYYY YYYY-MM YYYY-MM-DD    It also includes time-only forms with an optional time zone offset appended   THH mm THH mm ss THH mm ss sss  Also included are  quot date-times quot  which may be any combination of the above   So  it seems that YYYY-MM-DD is included in the standard  but for some reason  Safari doesn t support it  Update  after looking at datejs documentation  using it  your problem should be solved using code like this  var myDate1   Date parseExact  quot 29-11-2010 quot    quot dd-MM-yyyy quot    var myDate2   Date parseExact  quot 11-29-2010 quot    quot MM-dd-yyyy quot    var myDate3   Date parseExact  quot 2010-11-29 quot    quot yyyy-MM-dd quot    var myDate4   Date parseExact  quot 2010-29-11 quot    quot yyyy-dd-MM quot

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Arriving late to the party but in our case we were getting this issue in Safari  amp  iOS when using ES6 back tick instead of String   to type cast This was giving  invalid date  error const dateString    2011-11-18   const dateObj   new Date    dateString       But this works const dateObj   new Date String dateString

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use the format  mm dd yyyy   For example  - new Date  02 28 2015    It works well in all browsers

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