34-Hour Reset Clock Calculator

Formula

To calculate the time remaining on the 34-Hour Reset Clock:

\[ TR = 34 - (H + \frac{M}{60}) \]

Where:

\( TR \) is the time remaining on the 34-Hour Reset Clock (hours)
\( H \) is the number of hours already worked (hours)
\( M \) is the number of minutes already worked (minutes)

What is a 34-Hour Reset Clock?

A 34-hour reset clock is a provision in the hours of service regulations for truck drivers in the United States. It allows drivers to reset their 60 or 70-hour clock, which tracks the maximum amount of time they are allowed to work in a 7 or 8-day period, by taking 34 consecutive hours off-duty. This rule is designed to prevent driver fatigue and improve road safety.

Example Calculation

Let's assume the following values:

Hours Already Worked \( H \) = 10 hours
Minutes Already Worked \( M \) = 30 minutes

Step 1: Convert minutes worked to hours:

\[ \frac{30}{60} = 0.5 \text{ hours} \]

Step 2: Add the hours already worked:

\[ 10 + 0.5 = 10.5 \text{ hours} \]

Step 3: Subtract this sum from 34:

\[ TR = 34 - 10.5 = 23.5 \text{ hours} \]