use time::macros::utc_datetime; fn main() { let _ = utc_datetime!(2021-000 0:00); let _ = utc_datetime!(2021-001 24:00); let _ = utc_datetime!(2021-001 0:00 0); let _ = utc_datetime!(2021-001 0:00 UTC); let _ = utc_datetime!(2021-001 0:00 UTC x); }