InstantTimeZone

This software is a fantastic tool that displays the current time and date of other time zones directly next to your computer clock. When you hover your mouse over the clock, the full time (including minutes) is displayed along with comments or dates. Additionally, by left-clicking the clock, you can open a small window that displays the time (and date or comment) on top of all other windows, with transparency.

One of the most attractive features of this software is that it can display up to nine clocks simultaneously. Furthermore, it can synchronize your computer's clock to an atomic time server via the internet, ensuring that your clock is always precisely accurate.

Finally, this software also features an alarm function, allowing you to set reminders for important events, such as meetings or appointments. Overall, this software is a must-have for anyone who needs to keep track of time across multiple time zones.