Timestimator

From Evercyber:

Timestimator is the due day and duration calculator, which has a world time zones calculator, a list of the world clocks and virtual perpetual calendar with convenient navigation abilities.

Features:

• The current date and day of week are shown here.
• The current week number and day number (numbered up to 365) are displayed here.
• The current time is given here.
• You can use these tabs to select the desired calculation type. You can calculate duration, due date, and the time in a remote time zone.
• With the "Today" button, you can move your calendar to the current date immediately.