Obelisks and sun dials 1500 BC from ancient Egyptian and Babylonian astronomy Hour glasses were used in churches to time the length of the sermon; long sermons were especially popular in the 17th century, and could easily stretch to three hours or more. Water Clepsydra 1819

Modern-day water clocks

(2:19)

Performance

Human Clock
http://www.humanclock.com/

Human Calendar
http://www.humancalendar.com/

Standard Time by Mark Formanek

A 24-hour long performance.

The Clock by Christian Marclay

A 24-hour film made up of six or seven thousand clips, each of which either says or displays the (actual) time of day or makes a cogent reference to time.

Design

Time zones clock

http://www.dezeen.com/2010/07/26/the-bent-hands-by-giha-woo-and-shingoeun/

Pong Clock
http://www.youtube.com/watch?v=3uQHWsUby04

John Maeda’s 12 ‘o Clocks

Software

Classic Polar Clock

http://blog.pixelbreaker.com/polarclock

John Maeda 12 o’clocks
http://www.maedastudio.com/2004/rbooks2k/index.php

Dot Clock

http://www.vendian.org/envelope/dir2/day_of_dots_clock/

Pseudo-sand clock
http://www.aerstudio.com/2010/07/color-clock/

2D Physics
http://lizrutledge.com/parsons/coursework/spring_2011/data_vis/time_vis/

Colour clock Hex to colors
http://thecolourclock.co.uk/

Last Clock