time-utc->time-tai!

[procedure] time-utc->date time [tz-offset]

[procedure] time-utc->julian-day time

[procedure] time-utc->modified-julian-day time

[procedure] time-utc->time-monotonic time

[procedure] time-utc->time-monotonic! time

[procedure] time-utc->time-tai time

[procedure] time-utc->time-tai! time

SRFI-19: Conversion procedures.