Calendars
Calendar integration:
**Warning**
Not all Calendar clients allow real-time sync
Make sure to use a calendar app that allows real-time sync.
| Client | Typical Delay | Can force refresh |
|---|---|---|
| Outlook Desktop | 15min | yes |
| Thunderbird | 15min | yes |
| Google Calendar | 8 hours | no |
| Outlook online | 24 hours | no |
| Apple Calendar | 8 hours | no |