This app puts the Mayan Dreamspell Calendar in your pocket 13:20:Sync makes it so much easier to understand and integrate the calendar into every day life. Highly recommend it. # Based on the work of Jos Argelles.# This app was made with permission of and in cooperation with the Foundation for the Law of Time - www.lawoftime.org, # Ariel Spilsbury.

13:20:Sync alternatives

GoSkyWatch Planetarium - Astronomy Night Sky Guide