Based on the documentation, I would've expected the z time format to match Z indicating the Zulu (UTC) time zone. However, I get:
> library(lubridate)
> fast_strptime("2014-03-12T09:32:44Z", "%Y-%m-%dT%H:%M:%OS%Ou")
[1] "2014-03-12 09:32:44 UTC"
> fast_strptime("2014-03-12T09:32:44Z", "%Y-%m-%dT%H:%M:%OS%z")
[1] NA
Based on the documentation, I would've expected the
ztime format to matchZindicating theZulu(UTC) time zone. However, I get: