### Method

# GLib DateTime add

since: 2.26

#### Declaration

    GDateTime*
    g_date_time_add (
      GDateTime* datetime,
      GTimeSpan timespan
    )

#### Description

Creates a copy of `datetime` and adds the specified timespan to the copy.

Available since: 2.26

#### Parameters

`timespan`

  Type: `GTimeSpan`

  A `GTimeSpan`.

#### Return value

Type: `GDateTime`

The newly created `GDateTime` which should be freed with g_date_time_unref(), or `NULL`.

The caller of the method takes ownership of the data, and is responsible for freeing it.
The return value can be `NULL`.