Enter the hours, minutes, and seconds for Time 1 and Time 2.
Click Add to sum the times or Subtract to find the difference.
See the result in hours:minutes:seconds format plus total conversions.
Q: How does time addition work?
A: Enter both time values and click Add. Seconds carry to minutes (60s = 1m), minutes carry to hours (60m = 1h).
Q: What if the subtraction result is negative?
A: The calculator shows negative time with a minus sign, useful for finding time deficits.
Q: Can I enter decimal hours?
A: Use whole numbers for hours, minutes, and seconds. For decimal hours, multiply by 60 to get minutes.