Unix Timestamp Converter
Convert Unix timestamps (epoch seconds or milliseconds) to readable dates and back, in UTC and your local time, free and 100% in your browser.
Cron Expression Parser
Type or paste a standard 5-field cron expression (or an alias like @daily) and it is translated to plain English with the next five run times, live as you type.
Private by default: processing stays on your device
Try:
In plain English
Next 5 runs
Example: weekday business hours
Input
*/15 9-17 * * 1-5
Output
Every 15 minutes, 09:00 through 17:59, on Monday through Friday
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Frequently asked questions
What do the five fields in a cron expression mean?
From left to right: minute (0-59), hour (0-23), day of month (1-31), month (1-12 or JAN-DEC) and day of week (0-7 or SUN-SAT, where both 0 and 7 mean Sunday). Each field accepts *, lists (1,15), ranges (1-5) and steps (*/10).
Why does my job run on more days than expected?
When both the day-of-month and day-of-week fields are restricted, standard cron runs the job when either one matches, not both. For example, "0 0 13 * 5" runs on the 13th of every month and on every Friday.
Which timezone are the next run times shown in?
Next runs are computed in your device's local timezone, with the UTC equivalent shown next to each one. Remember that a server's crontab runs in the server's timezone, which may differ.
Are 6-field (seconds) or Quartz expressions supported?
No, this tool implements the standard 5-field Unix crontab format plus the common @hourly, @daily, @weekly, @monthly and @yearly aliases. Quartz-specific syntax like ? and L is not supported.
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