You can create and share Themes; customize an existing Theme, save it under a new name, then use its share link.
Share Link:
August, 19th
  • Improve centering algorithm.
July, 27th
  • Visual design improvements.
July, 25th
  • New Themes: LCD, LCD Green, Modern.
April, 29th
  • Lower GPU footprint.
April, 21th
  • Bigger clock size for smaller browser window sizes.
April, 11th
  • New clock layout algorithm for a more robust layout.
  • Lower CPU and RAM memory footprint.
March, 31th
  • Countdown — check out the brand new Countdown Tab.
  • Themes super-powered — you can now create, save, and share Themes.
  • World Clock — to create multiple Clocks and convert timezones.
  • Msg Tab — Communication-over-Screen, useful in education.
If you encounter any issue with these new features then let me know.