No, it’s not on the level of Y2K. Daylight Savings Time (DST) will being this Sunday, March 11 at 2AM. Computer systems are set for DST to start the first Sunday in April, so the shift that begins this year will impact systems where time clocks are important. Microsoft has been putting out the updates already. If you have systems that are time dependent, including payroll systems as well as clinical systems (lab equipment, imaging etc) check with your vendors. right away. Hopefully, the patches have already been made.