datetime.js

// Calculate the time elapsed since a specific date (example: January 1, 2023)
const specificDate = new Date('January 1, 2023');
const timeElapsed = currentDateTime - specificDate;
const daysElapsed = Math.floor(timeElapsed / (1000 * 60 * 60 * 24));

// Display all date and time information in the span element
datetimeDisplayElement.textContent = `Days Elapsed since January 1, 2023: ${daysElapsed}`;