Convert DateTime to Ticks Javascript or Jquery

Hello,
Can someone please suggest how to convert date like below to ticks
May 09 2019 23:59:59 to ticks in jquery or javascript?

Correct ticks conversion value should be :

636930431999990000

As per this link:
https://tickstodatetime.azurewebsites.net/

Thanks.
Abhilash Nagar.NET DeveloperAsked:
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OMC2000Commented:
It should be sum of ticks since the epoch and ticks between 1st Jan 0001 and 1st Jan 1970.

var ticks = ((yourDateObject.getTime() * 10000) + 621355968000000000);

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Julian HansenCommented:
var TICK_CONSTANT = 621355968000000000;
var dateStr = 'May 09 2019 23:59:59';
var date = new Date(dateStr);
var ticks = ((date.getTime() * 10000) + TICK_CONSTANT);
console.log(ticks)

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Abhilash Nagar.NET DeveloperAuthor Commented:
Thanks for the response. Yes your solution is correct but to match it exactly to .NET  i did this :

((yourDateObject.getTime() * 10000) + 621355968000000000)-(yourDateObject.getTimezoneOffset() * 600000000);

Below link :
https://stackoverflow.com/questions/7966559/how-to-convert-javascript-date-object-to-ticks
Julian HansenCommented:
Great - suggestion - next time mention you need a TimeZone offset and we will include it in the solution - but glad you are working.
Abhilash Nagar.NET DeveloperAuthor Commented:
Thanks for all responses, great help!!
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