(time/units us (time/duration 5))
(time/units us (time/duration -5))
(time/units µs (time/duration 5))
(time/units µs (time/duration -5))
(time/units ms (time/duration 2500))
(time/units ms (time/duration -2500))
(time/units s (time/duration 1250000))
(time/units s (time/duration -1250000))
(time/units m (time/duration 75000000))
(time/units m (time/duration -75000000))
(time/units h (time/duration 4500000000))
(time/units h (time/duration -4500000000))
(time/units d (time/duration 108000000000))
(time/units d (time/duration -108000000000))
(time/units w (time/duration 756000000000))
(time/units w (time/duration -756000000000))