Linux cron
*/5 * * * *Classic five-field syntax. Minutes are evaluated in the host's timezone.
POSIXCRON GENERATORLOCAL-FIRST
Schedules that
speak clearly.
Shape a cron expression visually, describe it in plain language, and see the next moments it will come alive.
Start composing05time fields
04syntax flavors
08next runs
01 / COMPOSE
Build your cadence.
Use the controls or speak naturally. The expression stays in sync.
Expression builder
Ctrl/⌘↵ to parse
Dialect
Five fields · evaluated in UTC by most hosted schedulers.
Live result
Valid expression
cron
*/5 * * * *
Linux cron · five fields · UTC
IN PLAIN WORDS
Every 5 minutes
FIELD BREAKDOWNLINUX
02 / SHORTCUTS
Start from a familiar rhythm.
One click loads a template into the builder.
03 / INSPECT
See the next moment.
Paste any five- or six-field expression and project its next runs.
Cron → human
Paste a schedule
TRANSLATION
Every 15 minutes
Next runs08 INSTANCES
For */15 * * * * · from now
Calculated on this device · daylight-saving aware
04 / REFERENCE
One cadence, different dialects.
Pick the runtime before you ship. Syntax is not interchangeable.
GitHub Actions
0 9 * * 1-5POSIX fields in UTC. GitHub checks the schedule about every five minutes.
UTCCloudflare Cron
0 */2 * * *Five fields for Workers Cron Triggers. Runs are always based on UTC.
WORKERSQuartz
0 */5 * * * ?Seconds come first. Use ? for either day-of-month or day-of-week.