AFAIK you can use the tzinfo-data gem. Someone needs to manually update it though. So far it looks like it is still on the previous 2015g and not on 2016a that

AFAIK you can use the tzinfo-data gem. Someone needs to manually update it though. So far it looks like it is still on the previous 2015g and not on 2016a that just got released: https://github.com/tzinfo/tzinfo-data https://github.com/tzinfo/tzinfo-data