philip committed rGc28d35783173: Import tzcode 2021d (authored by philip).Oct 18 2021, 6:17 AM2021-10-18 06:17:22 (UTC+0)

philip mentioned this in rG6b7d3b4de8bc: contrib/tzdata: import tzdata 2021d.Oct 18 2021, 6:22 AM2021-10-18 06:22:42 (UTC+0)