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I'm looking to run a job at these very specific times.

Can this even be done in one expression?

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marked as duplicate by mdpc, Wesley, Jenny D, Belmin Fernandez, TheCleaner May 21 '13 at 14:12

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This type of question has been frequently asked and answered, can I suggest that before asking the question, you look into the archives just a tinnie bit more? –  mdpc May 21 '13 at 2:55

1 Answer 1

up vote 7 down vote accepted

You'd need two expressions to deal with the start on the half hour:

30-55/5 1 * * *     user    command
*/5 2-5 * * *       user    command
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