let time = (wo: WoDto) => wo.ScheduleTime || wo.ScheduleStartTime;

             let wo = technician.wos

                 .filter(x => time(x) != null)

                 .sort((a, b) =>

                     Math.abs(moment().diff(moment(time(a)))) -

                     Math.abs(moment().diff(moment(time(b))))

             )[0];

             this.$calendar.fullCalendar('gotoDate', wo ? moment(time(wo)) : moment());