Crontab Formatting - every 15 minutes

Question

I\'m trying to get a simple crontab job to run every 15 minutes and am having trouble deciding how to format the timing.

What I\'ve been putting down is the followin

Answer 1

0,15,30,45 for 15 minutes is incorrect.

The better and simply way is */15 * * * * for 15 minutes.

5 minutes
*/5 * * * *

15 minutes
*/15 * * * *

30 minutes
*/30 * * * *

60 minutes
0 * * * *

1 day
0 0 * * *