If you do find the size of MomentJS to be troublesome for your particular usecase, and are in need of handling timezones, Luxon is a great alternative. It's fro

If you do find the size of MomentJS to be troublesome for your particular usecase, and are in need of handling timezones, Luxon is a great alternative. It's from the authors of Moment, and I believe it uses the built-in i18n APIs found within modern browsers to handle timezones.