2.1.3.2.1.9 Recurrence Part: WKST

RFC Reference: [RFC2445] section 4.3.10

Number of Instances Allowed: 0, 1

Format: Text ([RFC2445] section 4.3.8)

Brief Description: Specifies the day of week on which a week is considered to start.

The WKST recurrence part MUST one of the day of week character codes specified in section 2.1.3.2.1.6. If no WKST recurrence part is specified, 'SU' MUST be used.