This module provides the following styles that can be set using \DTMsetstyle provided by datetime2.sty. The region not only determines the date/time format but also the time zone abbreviations if the zone mapping setting is on. english (English - no region) en-GB (English - United Kingdom of Great Britain and Northern Ireland) en-US (English - United States of America) en-CA (English - Canada) en-AU (English - Commonwealth of Australia) en-NZ (English - New Zealand) en-GG (English - Bailiwick of Guernsey) en-JE (English - Bailiwick of Jersey) en-IM (English - Isle of Man) en-MT (English - Republic of Malta) en-IE (English - Republic of Ireland)