Convert an EXIF date to ISO 8601.
EXIF dates don't have a timezone, so a timezone name is passed in.
Future feature: Auto discovery of the timezone using an image's EXIF GPS coordinates.
const exifDate = require('exif-date-to-iso');
const exifDateTimeOriginal = '2015:03:17 19:39:10';
console.log(exifDate.toISO(exifDateTimeOriginal, 'America/Los_Angeles'));
'2015-03-18T02:39:10.000Z'
exifDate.timezones();
See src/index.es6.spec.js
npm install exif-date-to-iso