I would like to set calendar alerts to happen at the scheduled completion time of my events - whatever that may be. I can't seem to figure out a way to do this. You can create alarms that go off before an event starts, at the start time, or a fixed number of minutes after start time. But is there a way to set an alarm that triggers AT OR AFTER the completion time of an event, without having to specify the exact date & time?

  • J van Clote, that is indeed unusual event alarm. Did you try something in the Automator ?
    – Ruskes
    Mar 23, 2015 at 21:00
  • Haven't tried anything special, just trying to set this in Calendar natively. Really don't want to have to jump through any hoops or do anything more complex for something this basic. I just want certain alerts to notify me when a scheduled block of time is up.
    – JVC
    Mar 23, 2015 at 21:02

2 Answers 2


Just enter an alert at a customized time (which is equal to end of the event).

This works for iCal 5 (Mac OS X 10.7):

iCal 5

and also for iCal 7 (Mac OS X 10.9). It looks a bit different though:

iCal 7

  • My request was specific to not having to input the exact time & date.
    – JVC
    Mar 24, 2015 at 0:13
  • @JonathanvanClute Oh sorry, i misread that
    – klanomath
    Mar 24, 2015 at 0:14

Well there doesn't appear to be any actual proper solution to this, so I have resorted to simply putting an alert in at the pre-set duration of the event. Definitely not what I was hoping for but... it's the best that I could come up with. This gets me an alert at the end of the time block, but unfortunately won't automatically adjust if I alter the duration of a block.

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