Film timeline

Background
Most of the specific dates only appear in the film version, but a few additional dates including characters ages can be interpreted from the novel version from films dates.

Film timeline

 * 1986 - Todd Carmack was born.
 * 2026 - Archaeologists working in the Nevada desert at Papoose Lake discover the Ark portal to a ancient city on Mars. Grimm's parents were among the first scientists to travel to Olduvai on Mars.
 * 2027 - The Kid is born.
 * 2036 - Last time John Reaper saw his sister, before she travelled to study on Mars.
 * 2046 - Research has gleaned no results. Film/Novel begins.