Adding UTC support to a globalized minimal API

So far, we have added globalization and localization support to our minimal API because we want it to be used by the widest audience possible, irrespective of culture. But, if we think about being accessible to a worldwide audience, we should consider several aspects related to globalization. Globalization does not only pertain to language support; there are important factors we need to consider, for example, geographic locations, as well as time zones.

So, for example, we can have our minimal API running in Italy, which follows Central European Time (CET) (GMT+1), while our clients can use browsers that execute a single-page application, rather than mobile apps, all over the world. We could also have a database server that contains our data, and this could be in another time zone. Moreover, at a certain point, it may be necessary to provide better support for worldwide users, so we’ll have to move our service to another location...