Generic parseDate (with target timezone as optional argument) and formatDate. parseDate still operates under the assumption of UTC as the input timezone.
Using Europe/Zurich as default target time zone. Chrome and Safari do not recognize timezones 'UTC' and 'CET' (https://github.com/tc39/ecma402/issues/778). For UTC, we should use Europe/London I guess
parseDate
(with target timezone as optional argument) andformatDate
.parseDate
still operates under the assumption of UTC as the input timezone.