AtomSync gets the correct time from an internet NTP time server (or against a computer in your LAN running a AtomSync time server). It then compares it to your system time and can automatically synchronize the clocks or notify you of any difference.

Free 45 day trial.

AtomSync is completely user customizable and includes the following features:

• New: Work folder changed to appdata folder to be ready for Vista
• New: Now using windows html help to be ready for Vista
• New: Dialog font changed to MS Shell Dlg to be ready for Vista
• New: Enter license code moved to setup to be ready for Vista
• Available in both English and German
• Allows custom time servers and includes settings for timeservers worldwide: Australia, Switzerland, Chile, Germany, France, Hong Kong, Italy, Japan, Mexico, Netherlands, Poland, Sweden, United Kingdom, and the United States.
• Customizable user interface
• Configurable clock display and acceptable time differences
• Ability to place the onto your desktop
• Optional sound notifications and user prompts
• Support for Microsoft Agent, allowing customizable dialogue and user notifications.
• Minimize it to the system tray
• Scheduled time checking
• Dial-up networking compatible
• LAN time broadcasting to synchronize your entire network (part of the LAN license)

Update: 10/25/2006 - AtomSync 2.08 is now Windows Vista compatible!