date calculator download date calculator 1.55 MB, v1.9 for Windows

Do I Need a Date Calculator?

When it comes to time and dates in distant future, it’s kind of difficult to agree on a precise due date, especially if the parties are located in different world time zones. In our everyday activities, we can get away by using estimates and approximations. In business, loose estimates are unacceptable. Due dates, appointments and deadlines are assigned precise date and time. This kind of precision is impossible without a special calculator.

How many days before your birthday? How many week pays will you bring home before a given special date? In business, all types of delivery date estimates, deadlines, weekly, monthly and quarterly reports, periodic analysis, rental costs and overruns, schedules, time management other activities require precise calculations of time.

If any of this applies to you, you need a special calculator, which can do operations with dates. Our duration calculator will help you calculate differences between dates, display current week number or day number in a given year, and calculate the number of days and weeks or hours and minutes in specific time intervals; all that and more calculated instantly and completely automatically.

Why Timestimator?

Timestimator is more than a simple date calculator. It is packed with features, including:

  • A comprehensive due date calculator that can be configured to count in or exclude weekdays and holidays. This calculator also performs simple and compound interest calculations.
  • A powerful duration calculator, which again can include or exclude weekdays and holidays. The duration calculator is the one to calculate rental costs.
  • World world time zone converter
  • World clock
  • A perpetual calendar.

Timestimator is there to give you a precise answer to date related question, from simple to very complex. What time is now in Jakarta? What day of week is the next New Year? How many weekly paychecks you receive before going on vacation? How much will your mortgage cost by its renewal date? Timestimator will calculate the answers in an instant. From home accounting and vacation planning to business time management, Timestimator will save your time and guarantee accurate results no matter where and when you use it.


Timestimator version 1.9 released and available for download. Some new minor time zones adjustments for Russia.

Timestimator version 1.8 released and available for download. The distributive contains an IMPORTANT UPDATE for time zones and Daylight Savings time settings and a new feature - Julian Date calculations!