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Time in Medieval Japan



The main part of the TIMEJ logo was created by Vroni Ammann. It is inspired by incense clocks that were in use in medieval Japan. The incense powder was shaped into intricate patterns of lines on a bed of ash, forming so called incense seals, that were marked at regular intervals with small bamboo or metal plates. The incense was lit at a designated point and, by burning evenly, served as a time measurement device. The logo is reminiscent of these incense seals, while also incorporating the Japanese character for “time”, 時 toki.

The final logo was created by joint effort of Vroni Ammann, Alexandra Ciorciaro and Raji C. Steineck.


Research project illustrations

The illustrations of the individual research projects were created by Alexandra Ciorciaro. They are loosely inspired by paintings from the medieval period. The plain, abstracted style was chosen because it fits the clear cut TIMEJ project.


Copyright statement

The copyright of the logo and other artworks lie with their creators (mentioned above). However, the TIMEJ team welcomes requests regarding the use of these creative works in eg. the context of a conference flyer, blog post, or news report, etc. If you are thinking about using one of these works in any way, please direct your request for permission to We will gladly review your request and discuss terms of use.

Weiterführende Informationen

Latest conference:

TIMEJ Online Conference 2021 

August 18–20th 2021

International Society for the Study of Time


Yamaguchi University Research Institute for the Study of Time


Read more about our joint coference of 2018 here.

Time in Medieval Japan

Prof. Dr. Raji C. Steineck


Time in Medieval Japan (TIMEJ) is a research project of the Institute of Asian and Oriental Studies of the University of Zurich.

It is funded by the  European Research Council (ERC) with an Advanced Grant under the European Union's Horizon 2020 research and innovation programme (grant agreement No 741166)

Read about the outline of the project on the official CORDIS Webpage