AtomSync

Sync your PC with the atomic clock

Keep your PC's clock constantly synchronized with this nifty tool

A replacement for standard PC clocks with multiple customizable options

Place an accurate digital or analog clock on your desktop

TP Clock - Clocks & Alarms For Windows

No-frills time-tracking application from Sonora Graphics featuring simultaneous measurements, loud alarms and an intuitive interface

an application that displays time, date and day