EpochLab

Recurring Date Generator

Generate a series of recurring dates

Daily, weekly, monthly or yearly, with intervals and by-weekday rules — the dates listed with their weekdays, and the RFC 5545 RRULE beside them.

Questions people ask

The things that come up about recurring date generators, answered plainly.

What happens to a monthly series on the 31st?

Months without a 31st are skipped entirely, which is what RFC 5545 specifies — February simply has no occurrence. The page marks the skipped months rather than sliding the date to the 1st, which is what a naive implementation does.

What is an RRULE?

The recurrence rule from the iCalendar standard: FREQ=MONTHLY;BYDAY=2TU;COUNT=12 is the second Tuesday of each month, twelve times. Every calendar application understands it, so the rule can be pasted rather than the dates.

Related tools

Recurring dates, time slots, rotations and calendar files.

Calendar Event GeneratorTitle, time, location, a reminder and an optional recurrence — out comes a valid .ics file to download, plus a Google Calendar link for people who will not.
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Rotation Schedule CalculatorA round-robin rota from a list of names and a shift length — day by day, with handovers marked and each person's total shown so the split is visibly fair.
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.

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