Build cron expression
Build a validated five-field Unix cron expression.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Paste your source, choose the supported options, then process. Inspect or download the complete result.
Limits and behavior
Minute/hour/day/month/weekday fields support lists, ranges and steps. Unix day matching semantics apply; no scheduling service is started. Maximum total input 1 MB, output 3 MB, JSON nesting 64 levels. Processing stays in your browser worker. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Generate a five-field cron schedule
Specify supported minute, hour, date, month and weekday values and build a Unix-style cron expression.
Does a cron expression automatically account for daylight saving?
Actual scheduling depends on the runtime time zone and scheduler's rules. Test the intended behavior.
Related tools: parse cron expression · convert time zones with dst