---
name: "pmmktime"
section: "3"
platform: "linux"
package: "libpcp3-dev"
version: "3.9.10"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/__pmMktime"
---

# pmmktime(3)

convert a tm structure to a calendar time

Part of [\_\_pmMktime(3)](/__pmMktime/3.md).

## NAME

**\_\_pmMktime** - convert a **tm** structure to a calendar time

## C SYNOPSIS

**#include \<time.h\>**\
 **#include \<pcp/pmapi.h\>**\
 **#include \<pcp/impl.h\>**

**time\_t \*\_\_pmMktime(struct tm \****timeptr***);**

**cc ... -lpcp**

## DESCRIPTION

**\_\_pmMktime** is very similar to [**mktime**(3)](/mktime/3.md), except the timezone used is the current \`\`reporting timezone'' (rather than the default **TZ** environment variable scheme).

Like [**mktime**(3)](/mktime/3.md) the time to be converted is passed via *timeptr*, and  the function result  contains the calendar time (the number of seconds since 00:00:00 UTC, January 1, 1970).

The default current reporting timezone is as defined by the **TZ** environment variable, so **\_\_pmMktime** and [**mktime**(3)](/mktime/3.md) will initially produce similar conversions.

Use [**pmNewZone**(3)](/pmNewZone/3.md), [**pmNewContextZone**(3)](/pmNewContextZone/3.md) or [**pmUseZone**(3)](/pmUseZone/3.md) to establish a new current reporting timezone that will effect **\_\_pmMktime** but not [**mktime**(3)](/mktime/3.md).

## SEE ALSO

[**mktime**(3)](/mktime/3.md), [**PMAPI**(3)](/PMAPI/3.md), [**pmCtime**(3)](/pmCtime/3.md), [**pmLocaltime**(3)](/pmLocaltime/3.md), [**pmNewContextZone**(3)](/pmNewContextZone/3.md), [**pmNewZone**(3)](/pmNewZone/3.md) and [**pmUseZone**(3)](/pmUseZone/3.md).