Japanese design collective Bril has filled a circular cedar frame with leaves that gradually fade from green to brown over the course of a year to create an annual clock without using hands or numbers (+ slideshow). More
These clocks by London designer Lina Patsiou have spent time on the sun beds to tan patterns onto their leathery faces (+ slideshow). More
Rolling this clock by Korean design studio 11+ allows you to keep track of the time in different cities around the world (+ movie). More
This prototype clock by Boaz Cohen and Sayaka Yamamoto tells the time in a straight line by replacing the hands with a pivoting shell-like structure. More
A series of clocks with mechanisms suspended from wires connected to plywood frames will be presented as part of the first museum exhibition dedicated to the work of Argentinian designer Daniel Weil at London's Design Museum (+ slideshow). More
This alarm clock created by Adrian and Jeremy Wright for French design brand Lexon is turned on and off by flipping it over (+ slideshow). More
The birds inside this cuckoo clock by London design studio BERG are programmed to poke their heads out to announce Twitter messages, retweets and new followers (+ movie). More
Stockholm studio Humans Since 1982 has combined 288 analogue clocks to create an installation of shifting monochrome patterns, lettering and numbers (+ movie). More
The final extract from our Book of Ideas selected by Dezeen editor-in-chief Marcus Fairs this week is a 24-hour performance involving two janitors constantly sweeping lines of rubbish to represent the hand of a clock. More
News: Apple has agreed to pay Swiss railway operator SBB an undisclosed amount for copying its trademark station clock design (above) in the new iPad, reports Bloomberg. More
As London design month continues at Dezeen Super Store, we are now stocking Punkt. alarm clocks and phones by Hackney designer Jasper Morrison. More
Czech studio Kibardindesign have created a 3D version of a digital clock face. More
For those still craving more sport in their life, Vancouver-based design graduate Tom Chung has come up with a countdown clock to speed up daily tasks. More
Dutch designer Maarten Baas has created a timer in collaboration with with kinetic objects company Laikingland that's specifically designed not to be accurate. More
Competition: Dezeen have teamed up with Swiss brand Punkt. to offer readers the chance to win a limited edition version of their clock by London designer Jasper Morrison, created to raise funds for recovery from the natural disasters in Japan earlier this year. More
Show RCA 2011: for those who'd rather be woken by a gentle breeze or the smell of coffee than a shrill alarm, Royal College of Art graduate Ki Hyun Kim has designed a clock that wakes users with the electrical appliance of their choice. More
Dutch designer Kiki van Eijk has created this series of 14 mantle clocks, each made from a different metal wire or finish. More
Dezeen Screen: here's another chance to see Sweeper Clock, a movie presented by Dutch designer Maarten Baas in Milan in April 2009, featuring two men with brooms pushing lines of debris to form moving clock hands. Update: this project is included in Dezeen Book of Ideas, which is on sale now for £12. Watch the movie »
Milan 2011: Swiss brand Punkt. presented this alarm clock by British designer Jasper Morrison at Spazio Rossana Orlandi in Milan last week. More
Designer Sejoon Kim of South Korea has designed a clock where users have to feel the flexible face to reveal the time. More
