Creating time patterns with the scheduler somponent "cron expression"

Time patterns are defined in Aeneis with cron expressions. A cron expression is a string consisting of six or seven fields. The fields are separated by spaces.

The six mandatory fields and the optional field (year) are divided as follows:

<1: Seconds> <2: Minutes> <3: Hours> <4: Day of the month> <5: Month> <6: Day of the week> <(7: Year)>

Field no:

Name field (time unit)

Allowed values

Permitted special characters

1

Seconds

0-59

, - * /

2

Minutes

0-59

, - * /

3

Hours

0-23

, - * /

4

Day of the month

1-31 (last day of the month different for each month, e.g. February=28 resp. 29, December=31, June=30)

, - * ? / L W C

5

Month

1-12 or JAN-DEC

, - * /

6

Day of the week

1-7 or SUN-SAT:

  • 1=Sunday

  • 2=Monday

  • 3=Tuesday

  • 4=Wednesday

  • 5=Thursday

  • 6=Friday

  • 7=Saturday

, - * ? / L C #

7 - optional

Year

blank or 1970-2099

, - * /