Time Calculator

Add, subtract, and convert time with precision

Calculate Time Duration

Start Time

: :

End Time

: :

Time Format

World Clocks

Standard Work Day

8-hour work day duration

Lunch Break

1-hour lunch break

Average Movie

2-hour movie duration

Short Flight

3-hour flight duration

Time Calculation Tips

Always consider time zone differences for global scheduling
Remember that duration calculations can span multiple days
Use 24-hour format to avoid AM/PM confusion
Account for daylight saving time changes when applicable
Break times and overtime should be factored into work calculations
Different countries may have different work week standards