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<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<link rel="icon" type="image/png" href="images/favicon.png">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- Document title -->
<title>Free Date Difference Calculator Online | Days Between Dates | CalcSpeed</title>
<meta name="title" content="Free Date Difference Calculator Online | Days Between Dates | CalcSpeed">
<meta name="description" content="Calculate the exact number of days between two dates instantly. Our free Date Difference Calculator helps you find date intervals quickly and accurately.">
<meta name="keywords" content="Date Difference Calculator, Days Between Dates Calculator, Date Calculator, Date Duration Calculator, Date Interval Calculator, Days Calculator, Online Date Calculator">
<meta name="robots" content="index, follow">
<meta name="author" content="CalcSpeed">
<link rel="canonical" href="https://www.calcspeed.com/date-difference-calculator">
<meta property="og:type" content="website">
<meta property="og:title" content="Free Date Difference Calculator Online | CalcSpeed">
<meta property="og:description" content="Calculate the number of days between any two dates instantly.">
<meta property="og:url" content="https://www.calcspeed.com/date-difference-calculator">
<meta property="og:image" content="https://www.calcspeed.com/img/logo-dark1.png">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="Free Date Difference Calculator Online | CalcSpeed">
<meta name="twitter:description" content="Find the exact number of days between two dates with our free calculator.">
<meta name="twitter:image" content="https://www.calcspeed.com/img/logo-dark1.png">
<link href="css/plugins.css" rel="stylesheet">
<link href="css/style.css" rel="stylesheet">
<script type="application/ld+json">
{
"@context":"https://schema.org",
"@type":"WebApplication",
"name":"Date Difference Calculator",
"url":"https://www.calcspeed.com/date-difference-calculator",
"description":"Free online date difference calculator to calculate days between two dates.",
"applicationCategory":"UtilityApplication",
"operatingSystem":"All",
"offers":{
"@type":"Offer",
"price":"0"
}
}
</script>
<style>
input:not([type="checkbox"]):not([type="radio"]), select {
line-height: 18px;
padding: 10px 16px;
min-height: 40px;
font-size: 16px;
}
.gst-section{
background:linear-gradient(135deg,#2250fc,#4f6cf0);
padding:100px 0;
}
.gst-title{
font-weight:700;
font-size:42px;
margin-bottom:10px;
}
.gst-sub{
opacity:.9;
margin-bottom:40px;
}
.gst-card{
background:#fff;
padding:40px;
border-radius:14px;
max-width:900px;
box-shadow:0 25px 50px rgba(0,0,0,.2);
color:#333;
}
.gst-label{
font-weight:800;
margin-bottom:5px;
font-size:18px;
}
.gst-input{
height:45px;
border-radius:8px;
}
.gst-number{
font-size:38px;
font-weight:700;
}
.gst-text{
font-size:18px;
color:#444;
}
.gst-symbol{
font-size:28px;
font-weight:700;
color:#444;
}
.step-card{
background:#fff;
border-radius:12px;
box-shadow:0 10px 25px rgba(0,0,0,0.08);
transition:.3s;
}
.step-card:hover{
transform:translateY(-6px);
}
.step-icon{
font-size:32px;
color:#2250fc;
margin-bottom:10px;
}
.step-arrow{
font-size:26px;
color:#2250fc;
}
/* ============ ROOT: POLO NAVY + GOLD PALETTE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--navy: #0a1628;
--navy2: #0d1e38;
--navy3: #162340;
--blue: #1a4fd6;
--blue2: #1040b8;
--gold: #f5a623;
--gold2: #ffbe4d;
--gold3: #ffd980;
--white: #ffffff;
--off: #f7f8fc;
--paper: #f2f4f9;
--muted: #64748b;
--border: rgba(10,22,40,0.09);
--r: 16px;
--fh: 'Outfit', sans-serif;
--fb: 'Plus Jakarta Sans', sans-serif;
--shadow: 0 4px 24px rgba(10,22,40,0.08);
}
.cn-section { padding: 72px 5%; }
.cn-section.bg-white { background: var(--white); }
.cn-section.bg-paper { background: var(--paper); }
.cn-section.bg-navy { background: var(--navy); }
.container-xl { max-width: 1200px; margin: 0 auto; }
.eyebrow {
font-family: var(--fh);
font-size: 11px; font-weight: 700;
letter-spacing: 3px; text-transform: uppercase;
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font-family: var(--fh);
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font-weight: 800; line-height: 1.05;
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}
.sec-h.on-dark { color: #fff; }
.sec-p { font-size: 16px; color: var(--muted); max-width: 500px; line-height: 1.65; }
/* ============ CATEGORY TABS ============ */
.cat-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.ctab {
padding: 8px 18px; border-radius: 100px;
font-family: var(--fh); font-size: 13px; font-weight: 600;
border: 1.5px solid var(--border); background: var(--white);
color: var(--muted); cursor: pointer;
transition: all .2s;
}
.ctab:hover { border-color: var(--navy); color: var(--navy); }
.ctab.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.ctab.active.tf { background: var(--blue); border-color: var(--blue); color: #fff; }
.ctab.active.th { background: #059669; border-color: #059669; color: #fff; }
.ctab.active.tt { background: #0057ff; border-color: #0057ff; color: #fff; }
.ctab.active.td { background: #d97706; border-color: #d97706; color: #fff; }
.ctab.active.ts { background: #7c3aed; border-color: #7c3aed; color: #fff; }
/* ============ CALC CARDS ============ */
.calcs-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(210px,1fr));
gap: 14px;
}
.cc {
background: whitesmoke;
border-radius: var(--r);
border: 1.5px solid var(--border);
padding: 22px 18px 18px;
display: flex; flex-direction: column;
transition: transform .22s, box-shadow .22s, border-color .2s;
position: relative; overflow: hidden;
text-decoration: none;
}
.cc::after {
content: ''; position: absolute;
top: 0; left: 0; right: 0; height: 3px;
background: var(--cc-accent, var(--blue));
opacity: 0; transition: opacity .2s;
}
.cc:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(10,22,40,.1); border-color: rgba(10,22,40,.15); }
.cc:hover::after { opacity: 1; }
.cc-ico {
width: 46px; height: 46px; border-radius: 13px;
background: var(--cc-bg, #eef3ff);
display: flex; align-items: center; justify-content: center;
font-size: 21px; margin-bottom: 13px;
transition: transform .2s;
}
.cc:hover .cc-ico { transform: scale(1.1) rotate(-6deg); }
.cc-name {
font-family: var(--fh); font-size: 16px; font-weight: 700;
color: var(--navy); margin-bottom: 5px; line-height: 1.2;
}
.cc-desc {
font-size: 12px; color: var(--muted); line-height: 1.5;
flex: 1; margin-bottom: 13px;
}
.cc-cta {
font-family: var(--fh); font-size: 12px; font-weight: 700;
color: var(--cc-accent, var(--blue));
display: flex; align-items: center; gap: 4px;
text-transform: uppercase; letter-spacing: .5px;
}
.cc-cta svg { transition: transform .2s; }
.cc:hover .cc-cta svg { transform: translateX(4px); }
/* ============ FEATURE BENTO ============ */
.bento {
display: grid;
grid-template-columns: 2fr 1fr 1fr;
grid-template-rows: auto auto;
gap: 14px;
}
.bc {
background: grey;
border-radius: 20px;
border: 1.5px solid var(--border);
padding: 28px 24px;
position: relative; overflow: hidden;
}
.bc.span2 { grid-column: span 2; }
.bc.dark { background: var(--navy); border-color: var(--navy); }
.bc.gold { background: var(--gold); border-color: var(--gold); }
.bc.blue { background: var(--blue); border-color: var(--blue); }
.bc-big { font-family:var(--fh);font-size:60px;font-weight:900;line-height:1;letter-spacing:-3px;opacity:.08;position:absolute;bottom:-8px;right:10px; }
.bc-ico { font-size:32px;margin-bottom:14px; }
.bc-t { font-family:var(--fh);font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--navy);margin-bottom:7px; }
.bc-t.w { color:#fff; }
.bc-t.dk { color:var(--navy); }
.bc-d { font-size:13px;color:black; line-height:1.6; }
.bc-d.w { color:rgba(255,255,255,.5); }
.bc-d.dk { color:rgba(10,22,40,.6); }
/* ============ HOW IT WORKS ============ */
.how-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px; }
.how-step { }
.step-n { font-family:var(--fh);font-size:60px;font-weight:900;letter-spacing:-3px;color:rgba(255,255,255,.05);line-height:1;margin-bottom:-10px; }
.step-line { width:36px;height:3px;border-radius:2px;margin-bottom:14px; }
.step-t { font-family:var(--fh);font-size:18px;font-weight:700;color:#fff;margin-bottom:8px; }
.step-d { font-size:14px;color:rgba(255,255,255,.38);line-height:1.7; }
/* ============ POPULAR LINKS ============ */
.pop-row { display:flex;gap:10px;flex-wrap:wrap;margin-top:24px; }
.pop-tag {
display:inline-flex;align-items:center;gap:7px;
background:var(--white);border:1.5px solid var(--border);
border-radius:100px;padding:8px 16px;
font-size:13px;font-weight:600;color:var(--navy);
text-decoration:none;transition:all .2s;
}
.pop-tag:hover { background:var(--navy);color:#fff;border-color:var(--navy); }
.pop-dot { width:7px;height:7px;border-radius:50%;flex-shrink:0; }
/* ============ CTA BAND ============ */
.cta-band {
background: linear-gradient(135deg, var(--navy) 0%, var(--navy3) 100%);
border-radius: 22px;
padding: 56px 48px;
margin: 0 5% 72px;
display: flex; align-items: center; justify-content: space-between;
gap: 28px; flex-wrap: wrap;
position: relative; overflow: hidden;
}
.cta-band::before {
content: '';
position: absolute; inset: 0;
background-image:
linear-gradient(rgba(245,166,35,.05) 1px, transparent 1px),
linear-gradient(90deg, rgba(245,166,35,.05) 1px, transparent 1px);
background-size: 36px 36px;
}
.cta-band::after {
content: '';
position: absolute;
bottom: -80px; right: -80px;
width: 280px; height: 280px;
border: 60px solid rgba(26,79,214,.14);
border-radius: 50%;
}
.cta-l { position: relative; z-index: 1; }
.cta-l h2 {
font-family: var(--fh);
font-size: clamp(24px,3vw,40px);
font-weight: 800; line-height: 1.1;
letter-spacing: -1.5px; color: #fff; margin-bottom: 6px;
}
.cta-l h2 span { color: var(--gold); }
.cta-l p { font-size: 15px; color: rgba(255,255,255,.4); }
.cta-r { position: relative; z-index: 1; display: flex; gap: 12px; flex-wrap: wrap; }
/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
.bento { grid-template-columns: 1fr 1fr; }
.bc.span2 { grid-column: span 2; }
.how-grid { grid-template-columns: 1fr; gap: 20px; }
.faq-layout { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 640px) {
.calcs-grid { grid-template-columns: 1fr 1fr; }
.bento { grid-template-columns: 1fr; }
.bc.span2 { grid-column: span 1; }
.hero-stats { flex-wrap: wrap; }
.hstat { min-width: 50%; }
.qcalc { gap: 8px; }
.qc-inp { width: 80px; }
.trust-bar { flex-direction: column; }
.tb-item { border-right: none; border-bottom: 1px solid var(--border); }
.cta-band { padding: 36px 28px; margin: 0 4% 52px; }
.cn-hero { padding-top: 80px; }
}
@media (max-width: 400px) {
.calcs-grid { grid-template-columns: 1fr; }
}
.calc-label {
font-size: 11px;
letter-spacing: 2px;
text-transform: uppercase;
color: rgba(255,255,255,.5);
margin-bottom: 10px;
font-weight: 600;
}
.mc-box {
background: rgba(255,255,255,0.05);
padding: 16px;
border-radius: 16px;
backdrop-filter: blur(10px);
}
.mc-display {
background: rgba(0,0,0,0.6);
padding: 14px;
border-radius: 12px;
text-align: right;
margin-bottom: 12px;
}
#mcPrev {
font-size: 14px;
color: rgba(255,255,255,0.5);
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#mcDisp {
font-size: 32px;
color: #fff;
font-weight: bold;
}
.mc-grid {
display: grid;
grid-template-columns: repeat(4,1fr);
gap: 10px;
}
.mc-grid button {
height: 55px;
border: none;
font-size: 18px;
background: rgba(255,255,255,0.08);
color: #fff;
cursor: pointer;
transition: all 0.2s ease;
}
.mc-grid button:hover {
background: rgba(255,255,255,0.2);
}
.mc-grid button:active {
transform: scale(0.92);
}
.op {
background: #f59e0b;
color: #000;
}
.eq {
background: #16a34a;
}
.func {
background: #6b7280;
}
</style>
</head>
<body>
<!-- Body Inner -->
<div class="body-inner">
<?php include 'header.php'; ?>
<section class="gst-section">
<div class="container text-center">
<h1 class="gst-title text-white">Free Date Difference Calculator</h1>
<p class="gst-sub text-white">Calculate the number of days between two dates instantly.</p>
<div class="gst-card mx-auto pt-5">
<div class="row g-4">
<div class="col-md-6">
<label class="gst-label">Start Date</label>
<input type="date" id="start" class="form-control gst-input">
</div>
<div class="col-md-6">
<label class="gst-label">End Date</label>
<input type="date" id="end" class="form-control gst-input">
</div>
</div>
<hr class="my-4">
<div class="row text-center">
<div class="col-md-12">
<h2 id="days" class="gst-number text-primary">0</h2>
<p class="gst-text">Total Days Difference</p>
</div>
</div>
</div>
</div>
</section>
<!-- <section class="py-5">
<div class="container">
<h2 class="mb-4">GST – Goods and Services Tax</h2>
<p>
GST (Goods and Services Tax) is an indirect tax introduced in India on July 1, 2017.
It is applied to the supply of goods and services and replaced many older indirect taxes
such as VAT, service tax, and excise duty to create a unified taxation system.
</p>
</div>
</section> -->
<section class="py-5 bg-light">
<div class="container">
<h2 class="text-center mb-5">How to Calculate Date Difference</h2>
<div class="row text-center align-items-center">
<div class="col-md-3">
<div class="step-card p-4">
<i class="fa fa-calendar step-icon"></i>
<h4>Select Start Date</h4>
<p>Choose the starting date.</p>
</div>
</div>
<div class="col-md-1 d-none d-md-block">
<i class="fa fa-arrow-right step-arrow"></i>
</div>
<div class="col-md-3">
<div class="step-card p-4">
<i class="fa fa-calendar-alt step-icon"></i>
<h4>Select End Date</h4>
<p>Choose the ending date.</p>
</div>
</div>
<div class="col-md-1 d-none d-md-block">
<i class="fa fa-arrow-right step-arrow"></i>
</div>
<div class="col-md-3">
<div class="step-card p-4">
<i class="fa fa-calculator step-icon"></i>
<h4>Calculate</h4>
<p>The calculator finds the total days.</p>
</div>
</div>
</div>
</div>
</section>
<section class="py-5">
<div class="container">
<h3 class="text-center mb-4">Key Elements of Date Difference</h3>
<div class="row g-4">
<div class="col-md-6">
<div class="p-4 border rounded">
<h4>Start Date</h4>
<p>The beginning date from which the calculation starts.</p>
</div>
</div>
<div class="col-md-6">
<div class="p-4 border rounded">
<h4>End Date</h4>
<p>The final date used to calculate the difference.</p>
</div>
</div>
<div class="col-md-6">
<div class="p-4 border rounded">
<h4>Total Days</h4>
<p>The number of days between the selected dates.</p>
</div>
</div>
<div class="col-md-6">
<div class="p-4 border rounded">
<h4>Date Calculation</h4>
<p>The calculator subtracts the start date from the end date.</p>
</div>
</div>
</div>
</div>
</section>
<section class="py-5 bg-light">
<div class="container">
<h2 class="text-center mb-5">Date Difference Example</h2>
<div class="row g-4">
<div class="col-md-6">
<div class="p-4 bg-white border rounded shadow-sm">
<h4>Example</h4>
<p>If the start date is <strong>1 Jan 2024</strong> and the end date is <strong>10 Jan 2024</strong>:</p>
<ul class="list-unstyled mt-3">
<li><strong>Start Date:</strong> 1 Jan 2024</li>
<li><strong>End Date:</strong> 10 Jan 2024</li>
<li><strong>Total Days:</strong> 9 Days</li>
</ul>
</div>
</div>
<div class="col-md-6">
<div class="p-4 bg-white border rounded shadow-sm">
<h4>Formula</h4>
<div class="p-3 bg-light border rounded text-center mb-3">
<strong style="font-size:20px">
Days = End Date − Start Date
</strong>
</div>
<p>
The calculator subtracts the start date from the end date to find the total number of days.
</p>
</div>
</div>
</div>
</div>
</section>
<!-- ============ ALL CALCULATORS ============ -->
<section class="cn-section bg-paper" id="calculators" aria-labelledby="calc-heading">
<div class="container-xl">
<p class="eyebrow">All Tools</p>
<h2 class="sec-h" id="calc-heading">Find Your Calculator</h2>
<p class="sec-p" style="margin-bottom:28px">20+ free calculators across 5 categories. Pick one and get instant results.</p>
<!-- Category Tabs -->
<nav class="cat-tabs" aria-label="Calculator categories">
<button class="ctab active" onclick="filterCat('all',this)">All</button>
<button class="ctab tf" onclick="filterCat('finance',this)">💰 Finance</button>
<button class="ctab th" onclick="filterCat('health',this)">❤️ Health</button>
<button class="ctab tt" onclick="filterCat('time',this)">🕐 Time & Date</button>
<button class="ctab td" onclick="filterCat('discount',this)">🏷️ Discount</button>
<button class="ctab ts" onclick="filterCat('student',this)">🎓 Student</button>
</nav>
<div class="calcs-grid" id="calcsGrid">
<?php
$cards = [
// Finance
['finance','emi-calculator.php','🏦','EMI Calculator','Monthly loan EMI with interest breakdown.','#1a4fd6','#eef3ff'],
['finance','gst-calculator.php','₹','GST Calculator','Compute GST and final price for any product.','#1a4fd6','#eef3ff'],
['finance','salary-calculator.php','💼','Salary Calculator','In-hand salary after tax and deductions.','#1a4fd6','#eef3ff'],
['finance','compound-interest.php','📈','Compound Interest','See how your investments grow over time.','#1a4fd6','#eef3ff'],
['finance','simple-interest.php','💹','Simple Interest','Interest on any principal, rate and time.','#1a4fd6','#eef3ff'],
['finance','fd-calculator.php','🏛️','FD Calculator','Fixed Deposit maturity and interest earned.','#1a4fd6','#eef3ff'],
['finance','rd-calculator.php','💰','RD Calculator','Recurring Deposit returns and maturity value.','#1a4fd6','#eef3ff'],
// Health
['health','bmi-calculator.php','⚖️','BMI Calculator','Body Mass Index and ideal weight range.','#059669','#ecfdf5'],
['health','calorie-calculator.php','🔥','Calorie Calculator','Daily calorie needs by age, weight and activity.','#059669','#ecfdf5'],
['health','water-intake-calculator.php','💧','Water Intake','Recommended daily water intake for your body.','#059669','#ecfdf5'],
// Time
['time','age-calculator.php','🎂','Age Calculator','Exact age in years, months and days.','#0057ff','#eef4ff'],
['time','date-difference.php','📅','Date Difference','Gap between two dates in days, months or years.','#0057ff','#eef4ff'],
['time','workdays-calculator.php','🗓️','Work Days Calculator','Working days between dates, no weekends.','#0057ff','#eef4ff'],
['time','time-duration-calculator.php','⏱️','Time Duration','Hours and minutes between any two times.','#0057ff','#eef4ff'],
// Discount
['discount','percentage-calculator.php','%','Percentage Calculator','Percentages, ratios, increase and decrease.','#d97706','#fef9ee'],
['discount','discount-calculator.php','🏷️','Discount Calculator','Final price after any percentage discount.','#d97706','#fef9ee'],
['discount','fuel-cost-calculator.php','⛽','Fuel Cost Calculator','Estimate trip fuel cost by distance and mileage.','#d97706','#fef9ee'],
['discount','unit-converter.php','🔄','Unit Converter','Convert length, weight, temperature and more.','#d97706','#fef9ee'],
// Student
['student','student-percentage.php','📊','Percentage Calculator','Exam percentage from marks obtained.','#7c3aed','#f5f0ff'],
['student','grade-calculator.php','📝','Grade Calculator','Convert marks to letter grades easily.','#7c3aed','#f5f0ff'],
['student','gpa-calculator.php','🎓','GPA Calculator','Cumulative GPA across all subjects.','#7c3aed','#f5f0ff'],
['student','attendance-calculator.php','✅','Attendance Calculator','Check if attendance meets the threshold.','#7c3aed','#f5f0ff'],
];
$arrow = '<svg width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true"><path d="M1 6h10M6 1l5 5-5 5" stroke="currentColor" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/></svg>';
foreach($cards as $c) {
[$cat,$href,$ico,$name,$desc,$accent,$bg] = $c;
echo '<a href="'.$href.'" class="cc" data-cat="'.$cat.'" style="--cc-accent:'.$accent.';--cc-bg:'.$bg.'" aria-label="Open '.$name.'">';
echo '<div class="cc-ico">'.$ico.'</div>';
echo '<p class="cc-name">'.htmlspecialchars($name).'</p>';
echo '<p class="cc-desc">'.htmlspecialchars($desc).'</p>';
echo '<span class="cc-cta">Free Calc '.$arrow.'</span>';
echo '</a>';
}
?>
</div>
</div>
</section>
<script>
function filterCat(category, btn) {
const cards = document.querySelectorAll("#calcsGrid .cc");
const tabs = document.querySelectorAll(".ctab");
// Remove active from all buttons
tabs.forEach(tab => tab.classList.remove("active"));
// Add active to clicked button
btn.classList.add("active");
// Show/Hide cards
cards.forEach(card => {
const cat = card.getAttribute("data-cat");
if (category === "all" || cat === category) {
card.style.display = "block";
} else {
card.style.display = "none";
}
});
}
</script>
<!-- Footer -->
<?PHP include"footer.php"; ?>
<!-- end: Footer -->
</div>
<!-- end: Body Inner -->
<!-- Scroll top -->
<a id="scrollTop"><i class="icon-chevron-up"></i><i class="icon-chevron-up"></i></a>
<!--Plugins-->
<script src="js/jquery.js"></script>
<script src="js/plugins.js"></script>
<!--Template functions-->
<script src="js/functions.js"></script>
<script>
document.getElementById("start").addEventListener("change", calculateDate);
document.getElementById("end").addEventListener("change", calculateDate);
function calculateDate(){
let start = new Date(document.getElementById("start").value);
let end = new Date(document.getElementById("end").value);
if(!start || !end){
document.getElementById("days").innerHTML = "0";
return;
}
let diff = end - start;
let days = diff / (1000 * 60 * 60 * 24);
document.getElementById("days").innerHTML = Math.abs(days);
}
</script>
</body>
</html>