//
// ---------------------------------------------------------
// Function: daysUntilChristmas
// Purpose : Calculate how many days remain until Christmas.
// ---------------------------------------------------------
//
function daysUntilChristmas() {
// Get today's date from the system
const today = new Date();
// Extract the current year
const year = today.getFullYear();
// Build a date for Christmas of the current year
let christmas = new Date(year, 11, 25); // December = month 11
// If Christmas already passed this year, calculate for next year
if (today > christmas) {
christmas = new Date(year + 1, 11, 25);
}
// Calculate difference in milliseconds between today and Christmas
const diffMs = christmas - today;
// Convert milliseconds → days (1000 ms * 60 sec * 60 min * 24 hr)
const days = Math.floor(diffMs / (1000 * 60 * 60 * 24));
return days;
}
const days = daysUntilChristmas();
console.log("Days until Christmas:", days);
/*
run:
Days until Christmas: 210
*/
