A few readers have asked me over the last month how CalDAV wireless calendar synching works on BlackBerry 10. If you have setup your Gmail, Google Apps, or some Yahoo and other accounts on your BlackBerry 10 phone you will notice that it syncs your Calendar entries using CalDAV. The problem is it does not specify how many days in syncs to your device.
Thankfully BlackBerry has finally answered the conundrum for me with this knowledge base entry. Here is the gist:
- Calendar appointments created on the CalDAV source calendar will sync to the smartphone for 90 days into the past and 365 days into the future from the current day.
- Calendar appointments created on the BlackBerry 10 smartphone (in the associated CalDAV account) will sync to the CalDAV source calendar forever into both the past and future.
In other words you always have a year going forward and 90 days going backwards on your phone. It will sync that date range at a certain interval (most are set to 30 minutes).