#google_calendar_viewer(http://www.google.com/calendar/embed?src=r3kovnhhg06g2c5vr7muvro0tg%40group.calendar.google.com&ctz=Asia/Tokyo, [30])
#google_calendar_viewer( http://www.google.com/calendar/feeds/g23fopdl4gvmqisc6r7gqj98cuoagioi%40import.calendar.google.com/public/basic, 30)