If you’ve ever wondered about how now is so unique compared to past and future or wondered about the nature of time, this book is for you. You may not have a science background or you may be a physicist.

In history, some Eastern and Western philosophers have said that everything is now. In metaphysics, presentism represents this “everything-is-now” view, in contrast to the eternalism of 4-dimensional spacetime.

Presentism, however, faces objections because of some incompatibility with physics. In this book, we introduce essential reality, which is based on the initial conditions of physics.

We’ll see how this essential reality, which is at a moment that includes the flow of changing, can resolve the aforementioned objections to an “everything-is-now” view. From essential reality, we will also find a new interpretation of time, which is fully included in now.

We’ll see the usefulness of essential reality in everyday life. For convenience in daily living, we can also call it nowflow, meaning now that includes the flow of changing.

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