Scroll down to learn more

Documentation Center

Welcome to Opinum Documentation Center. You find here all the content you need to enjoy your data.

Search Results for

    Show / Hide Table of Contents

    Cron

    Cron is a format of schedule that is use for advanced scheduling of Alerts & Reports in Opinum. A cron expression is a string of six or seven fields that describe individual details of the schedule.

    Fields definition

    # of field Description Allowed values
    1 Minutes 0-59
    2 Hours 0-23
    3 Day of month 1-31
    4 Month 1-12
    5 Day of week 0-6 (0 is Monday, 6 is Sunday)

    Special characters helps to write more complex combinations:

    Special characters Description
    * any value
    , value list separator
    - range of values
    / step values

    Examples of cron expressions

    Cron tab expression Schedule frequency
    0 8 * * * Every day at 8:00 UTC
    0 12 * * 1-5 Every day-of-week from Monday to Friday at noon
    30 17 * * 1 At 17:30 every Monday
    15 14 1 * * At 14:15 on day-of-month 1
    59 23 31 12 * At 23:55, on day 31 of the month, only in December
    0 8 1 1,4,7,10 * At 08:00 on day-of-month 1 in January, April, July, and October
    */15 8-18 * * 1-5 At every 15th minute past every hour from 8 through 18 on every day-of-week from Monday through Friday.

    To find other cron expressions you can use a cron editor.

    Developer Center

    User manual API Swagger Github
    © Opinum 2025  -   www.opinum.com

    Follow us

    Linkedin Twitter Youtube Facebook