Open chronometric data for archaeology

Photo: Şahin Sezer Dinçer on Unsplash
Site 73,429


radiocarbon date 350,190

Radiocarbon dates

typological date 138,176

Typological dates

Coming soon!

Dendro dates

What is XRONOS?

XRONOS is an open data infrastructure for the backbone of the archaeological record – chronology. It provides open access to published radiocarbon dates and other chronometric data from any period, anywhere in the world.

Latest news

XRONOS development in 2022

There has been a lot of behind-the-scenes work on XRONOS this year. Our primary focused has been building a back-end interface for importing and curating data. This will be the foundation of more visible changes next year, when we will start a push to significantly improve the accuracy and consistency of the database. Read more...

The map of XRONOS receives a clustered visualisation

Sometimes you are overtaken by your own success. This is what happened to us: The last update added so much data to the database that even current browsers and computers are overwhelmed by the display of all the sites on the map in XRONOS. Currently, more than 22,000 sites are displayed. As a result, the use of the map has been significantly slowed down and impeded. Read more...

XRONOS database significantly expanded

The last month of our work on XRONOS focused on the expansion of the dataset. In this turn, we have performed a re-import from publicly available sources, which has more than doubled the dataset, and significantly expanded the spatial extent of our data collection. Read more...

R package for XRONOS available

To improve the use of data repositories, it is becoming increasingly important that the data is easily and quickly available to the appropriate analysis tools. Read more...

More news