Time & Date Calculators

Essential calculators for time calculations, date conversions, and scheduling

Age Calculator

Calculate age and time between dates

Calculate daily light integral for plants

Calculate dates and time differences

Calculate time duration in hours between dates and times, or convert days, weeks, months, and years into hours.

Add or subtract time units and convert between different time formats

Calculate work hours, overtime, and earnings from time card entries

Calculate time differences, add or subtract time intervals