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?


3 Answers 3


It seems possible now to add an additional alert and choose a time after the event's start time. So if you need to pickup your kids after a 2hr game, and it takes 20mins to get there, under custom alert choose 100 minutes after enter image description here

  • Ah look at that, they must've been listening! LOL Thanks, I've marked this as the correct answer now!
    – JVC
    May 23, 2022 at 22:22

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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