Use this calculator to determine the total duration between a start and end time, accounting for any breaks. This is useful for tracking work hours, calculating payroll, or managing project time.
.calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f9f9f9;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
max-width: 500px;
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text-align: center;
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font-size: 1.8em;
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margin-bottom: 15px;
line-height: 1.6;
text-align: center;
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.calc-input-group input[type="number"],
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border-radius: 5px;
font-size: 1em;
box-sizing: border-box;
max-width: 120px; /* Limit width for select elements */
}
.calc-input-group input[type="number"] {
max-width: 150px;
}
.calculate-button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
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.calculate-button:hover {
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font-weight: bold;
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.calc-result.error {
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@media (max-width: 480px) {
.calc-input-group {
flex-direction: column;
align-items: stretch;
}
.calc-input-group label {
text-align: left;
margin-bottom: 5px;
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.calc-input-group input[type="number"],
.calc-input-group select {
width: 100%;
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}
function calculateHourlyTime() {
var startHour = parseInt(document.getElementById("startHour").value);
var startMinute = parseInt(document.getElementById("startMinute").value);
var startAmpm = document.getElementById("startAmpm").value;
var endHour = parseInt(document.getElementById("endHour").value);
var endMinute = parseInt(document.getElementById("endMinute").value);
var endAmpm = document.getElementById("endAmpm").value;
var breakMinutes = parseInt(document.getElementById("breakMinutes").value);
var resultDiv = document.getElementById("result");
resultDiv.className = "calc-result"; // Reset class for potential error messages
// Input validation
if (isNaN(startHour) || isNaN(startMinute) || isNaN(endHour) || isNaN(endMinute) || isNaN(breakMinutes)) {
resultDiv.innerHTML = "Please enter valid numbers for all fields.";
resultDiv.className = "calc-result error";
return;
}
if (breakMinutes = totalStartMinutes) {
durationMinutes = totalEndMinutes – totalStartMinutes;
} else {
// End time is on the next day
durationMinutes = (24 * 60 – totalStartMinutes) + totalEndMinutes;
}
// Subtract break time
var finalDurationMinutes = durationMinutes – breakMinutes;
if (finalDurationMinutes < 0) {
resultDiv.innerHTML = "Break time is longer than the total shift duration. Please check your inputs.";
resultDiv.className = "calc-result error";
return;
}
// Convert final duration back to hours and minutes
var finalHours = Math.floor(finalDurationMinutes / 60);
var finalRemainingMinutes = finalDurationMinutes % 60;
resultDiv.innerHTML = "Total Duration: " + finalHours + " hours and " + finalRemainingMinutes + " minutes";
}
Understanding the Hourly Time Calculator
An Hourly Time Calculator is a practical tool designed to compute the total duration between a specified start time and end time, while also allowing for the deduction of break periods. This calculator is invaluable for anyone needing to accurately track time, whether for work, projects, or personal scheduling.
Why Use an Hourly Time Calculator?
Payroll Management: Businesses and freelancers can precisely calculate billable hours for employees or clients, ensuring accurate compensation.
Project Tracking: Project managers can monitor the actual time spent on tasks, helping with resource allocation, budgeting, and deadline management.
Personal Productivity: Individuals can track their work or study sessions, identify time sinks, and improve their time management skills.
Compliance: For industries with strict labor laws, accurate time tracking is crucial for compliance and avoiding disputes.
How to Use This Calculator
Using our Hourly Time Calculator is straightforward:
Enter Start Time: Select the hour, minute, and AM/PM for when the period began. For example, if you started at 9:00 AM, choose '9', '00', and 'AM'.
Enter End Time: Select the hour, minute, and AM/PM for when the period concluded. If you finished at 5:30 PM, choose '5', '30', and 'PM'.
Enter Break Time: Input the total number of minutes taken for breaks during the period. This could be a lunch break, short rest breaks, etc. For instance, a 30-minute lunch break would be entered as '30'.
Click "Calculate Total Time": The calculator will process your inputs and display the net duration in hours and minutes.
Examples of Use
Let's look at a few common scenarios:
Example 1: A Standard Workday
A typical office worker starts at 9:00 AM, finishes at 5:00 PM, and takes a 60-minute lunch break.
Start Time: 9:00 AM
End Time: 5:00 PM
Break Time: 60 minutes
Calculated Total Duration: 7 hours and 0 minutes (8 hours total – 1 hour break)
Example 2: A Part-Time Shift with a Short Break
A retail employee works from 1:30 PM to 6:00 PM and has a 15-minute break.
Start Time: 1:30 PM
End Time: 6:00 PM
Break Time: 15 minutes
Calculated Total Duration: 4 hours and 15 minutes (4 hours 30 minutes total – 15 minutes break)
Example 3: An Overnight Shift
A security guard starts at 10:00 PM and finishes at 6:00 AM the next day, with a 30-minute break.
Start Time: 10:00 PM
End Time: 6:00 AM
Break Time: 30 minutes
Calculated Total Duration: 7 hours and 30 minutes (8 hours total – 30 minutes break)
By providing clear inputs, this calculator ensures you get an accurate and reliable total time, simplifying your time management tasks.