Many of our Hosting Services come with the ability to run scheduled tasks (known as crontabs) - and whilst the online wizard can help set them up, more complex requirements can exist, so we've devised this Crontab Hint Sheet to assist you
X X X X X
| | | | |
| | | | +----- day of week
| | | |
| | | +----------- month
| | |
| | +----------------- day of month
| |
| +----------------------- hour
|
+----------------------------- minute
* = all posible values
*/? = at each matching value
X Minute (0 - 59)
examples:
10 = at 10 minutes past the hour
*/15 = every 15 minutes
20,30,40 = at 20 part, half past and 20 to the hour
X Hour (0-23)
examples:
8,20 = at 8am and 8pm
*/4 = every 4 hours
9,10,11,12,13,14,15,16,17 = UK working hours
X Day of Month (1 - 31)
examples:
*/2 = every-other day
10,11,12,13,14,15,16,17,18,19 = 10th through 19th only
X Month (1 - 12) January=1
examples:
3 = March
*/2 = every 2 months
4,6,9,11 = months with 30 days
X Day of week (0 - 6) Sunday=0, Mon=1, Tue=2, Wed=3, thu=4, Fri=5, Sat=6
examples:
3 = Wednesdays
0,6 = Weekends
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