GeoTime - Simple and easy to use OFFLINE geological time scale.

Relative time (chronostratic) subdivisions of the Earth's geology versus absolute time (chronometric) in millions of years for the entire Phanerozoic.

No advertisement - simply freeware.

Some basic information on climate, animals and geology are included.

GeoTime is freeware - and will be forever. My first attempt was to have a reference on geological times for my own -
I still get lost with these Kimmeridgians and Bartonians...
If you like it, I would be grateful for suggestions, errors in the timing, bug reports or other comments you may have.

Content rating: Everyone