# math.round

Available in all subroutines.

Rounds `x`

to the nearest integer, with ties rounding away from zero
(also known as *commercial rounding*).

## Return Value

If `x`

is `math.NAN`

, a NaN will be returned.

If `x`

is integral, ±0, `x`

itself is returned.

If `x`

is `math.POS_INFINITY`

or
`math.NEG_INFINITY`

, an infinity
of the same sign is returned.

Otherwise, the rounded value of `x`

is returned.

## Try it out

`math.round`

is used in the following solution recipes, which show real world use cases. Click RUN to provision a Fastly service, execute the code on Fastly, and see how the function behaves.

### Add time zone offset to requests

Divide the world into time bands of custom size and forward time zone data to your origin server.

## User contributed notes

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