*/2 * * * * — what this cron expression means
The cron expression */2 * * * * runs every 2 minutes. Here is the field-by-field breakdown and what it means in plain English.
What */2 * * * * means
It runs every 2 minutes, at every even minute (:00, :02, :04 …).
Field by field
minute=*/2 (a step of 2 from 0), all other fields * (every hour, day, month, weekday).
720 runs a day — once every two minutes, non-stop.
When it runs next
Next run: the next matching time for */2 * * * *.
FAQ
How many times a day is */2 * * * *?
720 times — every two minutes, around the clock.
Which minutes does */2 fire on?
The even minutes: 0, 2, 4, 6 … 58 past each hour.