When you live completely in each moment, without expecting anything, you have no idea of time.
So for a period of time each day, try to sit, without moving, without expecting anything, as if you were in your last moment. Moment after moment you feel your last instant. In each inhalation and each exhalation there are countless instants of time. Your intention is to live in each instant.
The Zen way of calligraphy is to write in the most straightforward, simple way as if you were a beginner, not trying to make something skillful or beautiful, but simply writing with full attention as if you were discovering what you were writing for the first time; then your full nature will be in your writing.