The trouble is when you have to deal with timezone-aware business logic. `date-fns-tz` does exist, but the amount of brain contortions required to keep track of

The trouble is when you have to deal with timezone-aware business logic. `date-fns-tz` does exist, but the amount of brain contortions required to keep track of everything is frankly exhausting, not to mention error-prone. Suffice it to say that I'm waiting with bated breath on the Temporal API (https://github.com/tc39/proposal-temporal https://github.com/tc39/proposal-temporal).