Cron Human Readable Converter
Cron, in plain English
One sentence describing what an expression does, plus a field-by-field breakdown — for putting in a comment, a runbook or a pull request description.
Questions people ask
The things that come up about cron human readable converters, answered plainly.
Can I paste the description into my code?
That is what it is for. An expression with a one-line English comment above it is the difference between a schedule anyone can review and one nobody dares touch.
Does it handle Quartz syntax?
Yes — six-field expressions with seconds, seven-field with a year, and the L and # extensions for 'the last Friday' and 'the second Tuesday'.
Related tools
Julian days, Excel serials, GPS time, cron expressions and format validators.
Cron Expression ParserPaste an expression and get it back in English, field by field, with its next runs, how often it fires, and any trap it has walked into.
Cron Expression GeneratorPick a schedule and get the expression, described back to you in English and with its next five runs shown — so you can see what it does before it does it.
Cron Expression ValidatorChecks the syntax, names the field that failed, and warns about the expressions that are valid but never fire — 30 February being the classic.
Recurring Date GeneratorDaily, weekly, monthly or yearly, with intervals and by-weekday rules — the dates listed with their weekdays, and the RFC 5545 RRULE beside them.