below is my function for reschedule agenda item to "today + 3 days
(defun my/org-agenda-reschedule-week ()
(interactive)
(org-agenda-schedule nil "+3d"))
similarly i want function for rescheduling agenda item after current time + 3 hours, these code doesn't work
(defun my/org-agenda-reschedule-hour ()
(interactive)
(org-agenda-schedule nil "+3h"))