Date & Time

Simplify date and time calculations with this collection of free online Date & Time Calculators. Calculate differences between dates, working days, age, durations, deadlines, time periods, and other date-related values instantly. These calculators are useful for employees, HR teams, project managers, students, businesses, and anyone who needs quick and accurate date calculations without complex Excel formulas. Excel stores dates and times as numeric values, making accurate date calculations possible through formulas and dedicated tools.

Flight Time Calculator Between Airports

Planning a trip, comparing flight routes, or estimating travel time between airports? Our Flight Time Calculator Between Airports makes it easy to calculate approximate flight duration and distance between two or more airports. Simply enter the departure and arrival airport codes to get useful route information, including estimated flight time and distance. The calculator also supports multi-leg journeys, custom flight speeds, and convenient Excel export, making it useful for travelers, aviation enthusiasts, travel planners, and anyone who needs quick flight-time estimates.

Free Time Zone Converter — World Clock & Meeting Planner

If you have ever missed a client call because you confused EST with EDT, or sent a meeting invite that landed at 2 AM for half your team, you already know the pain of time zone conversions done badly. The ExcelGuru Time Zone Converter is built to make that pain disappear — instantly, visually, and without any sign-up or page reload.