Sync Google Calendars for Free

Update: I was hitting API rate limits so I made a few tweaks including adding a 'backoff' function and not synching events where I haven't accepted all-day holidays which end with 'day'. Latest code is below. &#xA; &#xA; &#xA; &#xA;&#xA; &#xA; My calendar chaos! &#xA; I often work for multiple clients at once on the basis of outcomes delivered. Recently I was helping a government agency to adopt…