Days Remaining Countdown
Simple and effective. Input a future date, and this script calculates exactly how many 24-hour periods remain until that moment.
Days Until Christmas (Dec 25):
...
Days Left
Copy the Script
<script>
// 1. Get current date
var today = new Date();
// 2. Set Target Date (Year, Month 0-11, Day)
// Note: If you want it dynamic for "Next Christmas", use logic below
var targetYear = today.getFullYear();
var targetDate = new Date(targetYear, 11, 25); // Dec 25
// If date passed, add 1 year
if (today.getTime() > targetDate.getTime()) {
targetDate.setFullYear(targetDate.getFullYear() + 1);
}
// 3. Calculate Difference
var one_day = 1000 * 60 * 60 * 24;
var daysLeft = Math.ceil((targetDate.getTime() - today.getTime()) / one_day);
document.write(daysLeft + " days remaining!");
</script>Frequently Asked Questions
This specific script focuses on whole days. If you need hours/minutes, check our 'Countdown Timer' script.
Yes. The JavaScript `Date` object automatically calculates time differences correctly, including leap years and varying month lengths.
Yes. If the target date is in the past, the result will be a negative number, effectively telling you how many days have passed *since* that date.