Leap Year

Issue

Effects of leap year with schedules and BMS

Product Line

TAC I/NET, Andover Continuum

Environment

I/NET Site

Continuum Site

Time, calendar, Gregorian Calendar

Cause

leap year adjustment in calendar

Resolution

I/NET: I/NET will not be affected by Leap Year occurrence if DST and Time Sync is correct in the host computer. For Time Sync errors, please refer to Lessons Learned Article #6464, Daylight Saving setup, please refer to Lessons Learned Article #1752.

Continuum: Continuum will not be affected by Leap Year occurrence to controllers or scheduling if the Cyberstation has the correct time. There have been no incidents in the past with regards to leap year. Leap year is no different than some months having 30 days, others having 31. More information on time sync of controllers check Lessons Learned Article #2106. To sync Continuum to an external time clock read Lessons Learned Article #5778.