zic(8) on macOS
The text 94644931f0fe, as Mac OS X 10.5.8, Mac OS X 10.5.7, Mac OS X 10.5.6, Mac OS X 10.5.5, Mac OS X 10.5.4, Mac OS X 10.5.3, Mac OS X 10.5.2, Mac OS X 10.5.1, Mac OS X 10.5 shipped it.
timezone compiler
Flags it lists
-
--version -
-D -
-L -
-d -
-g -
-l -
-m -
-p -
-s -
-u -
-v -
-y