# time

### epoch

```ruby
time() -> Number
```

Returns the number of seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC).

### sleep

```ruby
sleep(t:num) -> Number
```

Sleep for [t] milliseconds.

### clock

```ruby
clock() -> Number
```

Returns the number of clocks passed divied by CLOCKS_PER_SEC.