[[_sp-idp-allowedclockskew]] == IDP AllowedClockSkew sub element The `AllowedClockSkew` optional sub element defines the allowed clock skew between IDP and SP. The default value is 0. [source,xml] ---- 3500 ---- unit:: It is possible to define the time unit attached to the value for this element. Allowed values are MICROSECONDS, MILLISECONDS, MINUTES, NANOSECONDS and SECONDS. This is _OPTIONAL_. The default value is `SECONDS`.