Unfortunately resolution of this issue tends to be a waiting game: By way of some background, the way an ical feed works is that it is your calendar application (Google in this case) which periodically requests an update of the information from Timetastic i.e.
Timetastic does not push the data to you calendar, it's your calendar that requests it from Timetastic.
Main features of Sync2 for Outlook with Google Calendar Sync: Sync Google Calendar with Outlook using Sync2 easily.
Calendar updates will happen in the background, and for large calendars frequent updates can cause your battery to drain faster.
Internet Calendars use the i Calendar format and the file name extension.
There are two types of Internet Calendars — Calendar Snapshots and Internet Calendar Subscriptions.
If you have exported your Studio Cloud calendar to Outlook (see Export your Studio Cloud Calendar to Outlook 2007), you may want to change the refresh or update rate of the calendar.
The shorter the refresh rate, the more up-to-date your calendar will be.