Currently, calendar feeds are automatically updated by their calendar software every few hours. They have a very efficient updating system that surely works all day.
To resolve the issue of a PC not being able to see an Apple user's Google Calendar, first ensure that the Apple user has shared their calendar with the correct email address associated with the PC. The Apple user can do this by opening Google Calendar, selecting the calendar they wish to share, and adjusting the sharing settings. If the calendar is shared, check if the PC's web browser is logged into the correct Google account and that calendar visibility settings are configured properly. Lastly, refreshing the calendar or clearing the browser's cache may help in displaying the updated calendar.
Google Calendar is a calendar that can be used and viewed online.
From the Google calendar's Settings there is a link to Delete your calendar.
every week everything is updated.
Google Calendar was created on 2006-04-13.
Yes. Google calendar is free to use.
In the Google Calendar and Google Mail "settings" category.
New Google Earth satellite imagery is added approximately every 2 weeks or a twice a month. Street View imagery is updated on its own schedule. The same imagery that is added for Google Earth is available to Google Maps as well.
You can add your schedules, tasks, everything. You can sync google calendar with iPhone, outlook calendar. One example here: http://mashtips.com/how-to-setup-google-calendar-on-iphone-ipod/
Screen calendar, http://www.screencalendar.com/.
It could be because Google Calendar (or equivalent) isn't downloaded. You can download a calendar of your choice from the Google Play store.
The images in Google Earth (and Google Maps) are updated on a continuous basis. It's hard to say exactly when an area will be updated because some areas may be updated more frequently than others. Google provides KML feeds showing what areas have been updated in a given update. Google also provides a notification service you can signup to alert you when a given area is updated. For details see the related question.