2.11.3.2 Constants

The following constants are required:

Constant: time-duration

Symbol representing time duration.

Constant: time-monotonic

Symbol representing monotonic time.

Constant: time-process

Symbol representing time spent in current process.

Constant: time-tai

Symbol representing TAI time.

Constant: time-thread

Symbol representing time spent in current thread.

Constant: time-utc

Symbol representing UTC time.