Check a variety of offset Etc/GMT timezones#3403

Merged

ptomato merged 5 commits intotc39:mainfrom

jessealama:etc-gmt-plus-n-timezone

Mar 30, 2022

Commits on Feb 11, 2022

Check a variety of offset Etc/GMT timezones
jessealama
committed

Commits on Feb 15, 2022

Use constructor rather than static `from` method
jessealama
committed

Commits on Feb 21, 2022