Virtuabotixrtc.h Arduino Library Official

// Check if we are within working hours (9 AM to 5 PM) if (myRTC.hours >= 9 && myRTC.hours < 17)

#include <virtuabotixRTC.h>

When you first get an RTC module, it has random garbage data. You must set the current time. The key concept is that you set the time , upload the sketch, and then comment out the set functions in subsequent uploads. virtuabotixrtc.h arduino library

If you have ever built an Arduino project that involves logging data, controlling appliances based on the clock, or creating a digital clock, you have faced a fundamental challenge: // Check if we are within working hours