# Weekly classes and event series (/en/businesses/events/recurring-classes)

A weekly timetable in Thril is a set of event series, one for each class. Reformer pilates on Mondays and Wednesdays at 18:00 from September to December is one series. Every class in it is an event of its own that customers sign up for separately. For a fixed group that signs up once for the whole term, use [Courses](/businesses/courses).

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## Turning a class into a weekly series [#turning-a-class-into-a-weekly-series]

When you create the class, choose **Recurring event**, then pick a date range, the weekdays, the times and how often it repeats. Each occurrence is its own event with its own participants, and the series is listed on the **Event series** tab.

Registration times count from each class's own start. If registration closes 12 hours before the class, Monday's 18:00 class closes at 6:00 that morning and Wednesday's class closes on Wednesday.

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## Changing every class in a series at once [#changing-every-class-in-a-series-at-once]

- **Edit series** changes every upcoming occurrence, also those you edited one by one. Past events stay as they were.
- **Extend series** adds occurrences with the series' settings and no participants.
- **Change times** moves or lengthens many events at once, also across several series.
- **Cancel series** cancels every upcoming occurrence. You choose how to refund the participants, as for a single event.

**Edit selected events** in the events list changes the shared settings of many events at once, also across series.

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## Templates [#templates]

**Save as template** keeps an event's setup, without the dates or the participants, for the next one. You can share a template with your company's other venues, and your venue stays the one that edits it. Editing a template changes the events you create from it afterwards.

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## Turning reservations into an event [#turning-reservations-into-an-event]

Unpaid manual reservations on the same day can become one event, for example courts your staff booked for a group. Select them on the calendar and choose **Turn into event**. The event takes their resources and times, and the reservations are cancelled when you publish it. Read more in [Managing reservations](/businesses/reservations/managing-reservations#replacing-manual-bookings-with-an-event).