igit',
                hour12: false 
            });
            
            programDiv.innerHTML = `
                <span class="program-title">${title}</span>
                <span class="program-time">${startTime}</span>
            `;
            
            return programDiv;
        }

        function updateTimelineMarker() {
            // Remove any existing marker
            const existingMarker = document.querySelector('.current-time-marker');
            if (existingMarker) {
              