SQL - Programar jobs

Hola. defini unos jobs en elsqls erver agent, mi problema es que quiero actualizar la hor ade ejecucion via programacion desde visual basic, existe algun sp del sistema que pueda hacer esto..?
saludos

Si puede, con: sp_update_jobschedule

sp_update_jobschedule [@job_id =] job_id, | [@job_name =] 'job_name',
[@name =] 'name'
[, [@new_name =] 'new_name']
[, [@enabled =] enabled]
[, [@freq_type =] freq_type]
[, [@freq_interval =] freq_interval]
[, [@freq_subday_type =] freq_subday_type]
[, [@freq_subday_interval =] freq_subday_interval]
[, [@freq_relative_interval =] freq_relative_interval]
[, [@freq_recurrence_factor =] freq_recurrence_factor]
[, [@active_start_date =] active_start_date]
[, [@active_end_date =] active_end_date]
[, [@active_start_time =] active_start_time]
[, [@active_end_time =] active_end_time]

Gracias por responder, lo voy aprobar
saludos desde Monterrey Mexico

De nada amigo, saludos desde el D.F.