Hours Calculator
Calculate time differences, add hours and minutes, convert time zones. Perfect for scheduling, project planning. Free time math calculator online.
Results
Total Time Worked
Hours Worked
0:00
Decimal Hours
0.00
Start Time
-
End Time
-
Time Span
-
Break Time
-
Net Hours
-
Visual Time Representation
Total Minutes
0
Total Seconds
0
Note: This calculator works with 12-hour time format (AM/PM).
Overnight shifts: Check the "next day" box if your shift ends after midnight.
Results
Total Duration
Total Hours
0
Days & Hours
0 days, 0 hours
Start Date & Time
-
End Date & Time
-
Total Days
-
Total Hours
-
Total Minutes
-
Total Seconds
-
Quick Reference:
• 1 day = 24 hours = 1,440 minutes = 86,400 seconds
• 1 week = 168 hours • 1 month ≈ 720-744 hours • 1 year = 8,760-8,784 hours