ldaptimestamp.js

//A Node-RED function (JavaScript) to work out the LDAP/FILETIME timestamp for now

//With thanks to the resources below
//https://stackoverflow.com/questions/73591039/node-red-js-calculate-time-elapsed
//https://www.epochconverter.com/ldap

var payload = "1601-01-01 00:00:00.000000+00:00";
var start_time = (new Date(payload)).getTime();
var d = new Date();
var end_time = d.getTime()
var difference = end_time - start_time;
msg.payload = difference + "0000"

return msg;