const luxon = require("luxon")
const clipTime = luxon.DateTime.fromJSDate(new Date('2022-08-25T09:00:00.000-04:00'))
const nowTime = luxon.DateTime.fromJSDate(new Date('2022-08-25T09:01:00.000-04:00'))
const seconds = nowTime.setZone('UTC').toUnixInteger() - clipTime.setZone('UTC').toUnixInteger()
console.log(seconds)
Created from: https://npm.runkit.com/luxon