Time Calculators

Free time calculators for sleep cycles, age, hours worked, date differences, and more. Fast and accurate results.

Frequently Asked Questions

How does the sleep calculator work?

The sleep calculator uses sleep cycle science (typically 90-minute cycles) to suggest optimal wake-up or bedtimes, helping you wake feeling refreshed rather than groggy.

What can the hours worked calculator do?

It calculates total hours worked from your start and end times, including breaks. Perfect for tracking billable hours, overtime, or ensuring compliance with work regulations.

Is the age calculator accurate?

Yes, it calculates your exact age in years, months, and days, accounting for leap years and varying month lengths.